1
                                                                   EXHIBIT 10.13

 
                                   BLANKET
                                PURCHASE ORDER
                                --------------   [LOGO]                                                 ABOVE NUMBER
                                                                                                        MUST APPEAR ON
                                                                                                        PACKAGES, B/L,
                                                                                                        PACKING SLIPS
[MOYCO LOGO]                                                                                            AND INVOICES.

Moyco Technologies, Inc.

CORPORATE OFFICES 7 Ultralap / Abrasives Div.                  MOYCO UNION BROACH / Dental Division
200 commerce Drive - Montgomeryville - PA 18936                589 Davies Drive - York - PA 17402
(215) 855-4300 - FAX: (215) 362-3809                           (717) 840-9335 - FAX:(717) 840-9347

                                             REQUISITIONER         VENDOR NO.      P.O. DATE    P.O. #    DELIVERY DATE
                                             Picardi               14090           2/24/97    10517      See Schedule


         TO  NANOPHASE TECHNOLOGIES                           SHIP TO    MOYCO TECHNOLOGIES
             453 Commerce Street                                         200 Commerce Drive
             Burr Ridge,  IL  60521                                      Montgomeryville, PA 18936

                                                                         (Or as otherwise directed)

FOB:                                   / / CONFIRMATION ONLY
- ------------------------------------------------------------------------------------------------------------------------------------
ITEM NO.      QTY   UNITS                      DESCRIPTION                                 UNIT COST    EXTENDED PRICE
- ------------------------------------------------------------------------------------------------------------------------------------
                            SEE ALL ATTACHED DOCUMENTS
                            WHICH DETAILS THIS PURCHASE ORDER
              
                            REFER TO ATTACHED PURCHASE PLAN
                            AND ORDER DESCRIPTION

                            POWER MATERIALS AND R&D USED FOR
                            MOYCO CMP SLURRIES PROVIDED ON
 N/A          N/A           EXCLUSIVE BASIS                                                                $30,000,00
                                                                                                           See Documents
                                                                                                           Incorporated





                             ALL DOCUMENTS, ADDENDUMS AS WELL AS
                             TERMS AND CONDITINOS ON REVERSE SIDE
                             OF THIS PURCHASE ORDER ARE INCORPORATED
                             HEREIN


ALL DRAWSINGS, REFERENCE MATERIALS AND INTERRELATED IDEAS ASSOCIATED WITH THIS
PROJECT ARE FOR THE SOLE AND EXCLUSIVE USE OF MOYCO INDUSTRIES INC, AND CANNOT
BE USED BY OTHERS UNDER ANY CIRCUMSTANCES WHATSOEVER WITHOUT THE WRITTEN CONSENT OF MOYCO     TOTAL        $30,000,000
- ------------------------------------------------------------------------------------------------------------------------------------
NO PARTIAL SHIPMENTS WITHOUT PRIOR AUTHORIZATION                             DO NOT SHIP FREIGHT C.O.D.

TRAFFIC MANAGER, PLEASE NOTE:                                         SUBJECT TO THE TERMS AND CONDITIONS ON THE BACK HEREOF
                                                                          WHICH ARE INCORPORATED AND MADE A PART THEREOF.
                                                                                     MOYCO TECHNOLOGIES, INC.
USE SINGLE FACE PALLETS --
DO NOT DOUBLE TIER.
                                                 /s/  Jerome J. Lipkin                              Executive Vice President
                                                ----------------------------------------------------------------------------
                                                        / / PURCHASING MGR.                       / / SR BUYER

- ------------------------------------------------------------------------------------------------------------------------------------
WHEN SHIPPING CHARGES ARE NOT PREPAID OUR ROUTING MUST BE OBSERVED, OTHERWISE DIFFERENCE IN TRANSPORTAION CHARGES WILL BE
CHARGED TO SUPPLIER WHEN NO ROUTING IS SPECIFIED. SHIP CHEAPEST STORE DOOR DELIVERY.

                                                                                                Page 1 of 5
                                                                                    No Order will be valid unless signed.

                                                        ORIGINAL
                                                                                

   2
MOYCO/NANOPHASE 5 YEAR PURCHASE AND DISTRIBUTION AGREEMENT

With reference to the Marketing Agreement between Nanophase Technologies
Corporation ("NTC") and Moyco Technologies, Incorporated ("Moyco"), dated
August 29, 1996, NTC and Moyco hereby agree to the following:
1. NTC agrees to supply to Moyco, on an exclusive basis and for a period of
five years from the date last written below ("Effective Date"), NTC Nanotek
Aluminum Oxide, and Cerium Oxide, on a continuing basis, for use by Moyco in
the production of proprietary formulations for the use in chemical mechanical
planarization (CMP) of metal and di-electric layers in the production of
semiconductor devices ("Product") as per the terms of the Moyco 5 year purchase
order.
2. THE PARTIES AGREE TO NEGOTIATE IN GOOD FAITH FOR THE DEVELOPMENT OF
ADDITIONAL MATERIALS FOR EXCLUSIVE SALE TO MOYCO, IN THE FUTURE, FOR CMP
MARKETS. MOYCO RETAINS THE RIGHT OF FIRST REFUSAL REGARDING NEW NTC PRODUCTS
DEVELOPED AND APPLICABLE TO CMP (SUBJECT TO THE AFOREMENTIONED GOOD FAITH
NEGOTIATIONS). A RESEARCH AND DEVELOPMENT FEE OF $100,000 OVER A 2 YEARS
PERIOD WILL BE PAID TO NTC AS PER THE TERMS AND CONDITIONS OF THE MOYCO 5 YEAR
PURCHASE ORDER.
3.  Moyco agrees that upon the Effective Date, Moyco shall commence the
execution of deliveries of Nanophase products as per the terms of the Moyco 5
year purchase order from NTC. (refer to Schedule1/Delivery Objectives*).
4.  Moyco and NTC agree that, should Moyco fail to comply with the terms and
conditions of the Moyco five year purchase order, this Purchase and
Distribution Agreement may be terminated by NTC upon thirty days notice. In
the event that NTC terminates this Agreement and Purchase Order, Moyco shall
maintain all rights to place orders and purchase the materials indicated herein
on a non-exclusive basis for a period of nine (9) months.

5.  Moyco and NTC agree that should NTC fail to meet Moyco specifications,
terms, delivery, and conditions, that this Purchase and Distribution Agreement
may be terminated by Moyco upon 30 days written notice.
6.  NTC futher commits that for all product orders drawn in calender years 1997
and 1998 Moyco shall receive a 3% discount from the prices below; thereafter, on
all orders exceeding the contract annual minimum requirements, Moyco shall
receive a 5% discount from the prices below.
7.  Pricing for the sale of the Product by NTC to Moyco shall be determined
soley by NTC. NTC commits that through 12/31/98: the price of Nanotek Aluminum
Oxide Product to Moyco shall not exceed $55 per kilogram, and, the price of
Nanotek Cerium Oxide shall not exceed $70.00 per kilogram, excepting that
through 12/31/2000, the price to Moyco for any order of NTC Product shall not
increase by more than the actual increase, if any, in the cost to NTC for
feedstock(s) used by NTC for production of such order.
8.  The Moyco 5 Year Purchase Order is for ($USD) 30,000,000.00 over a 5 year
period; and, is subject to standard Moyco purchsae order terms and conditions.

*Schedule 1/Delivery Objectives [NTC shipment rate to Moyco (tons)]:



                1097   2097     3097   4097  1997   1998  1999   2000  2001
                                           
- --------------------------------------------------------------------------------
Aluminum Oxide   (1)     (2)     (6)   (14)  (23)   (50)  (80)  (140) (200)
- --------------------------------------------------------------------------------
Cerium Oxide   (0.1)    (0.4)   (2.0)  (2.5)  (4)   (8)    (16)  (20)  (30)


Cumulative Objective for 1997: (USD) $1,518,150.00
Agreed:

NANOPHASE TECHNOLOGIES CORPORATION            MOYCO TECHNOLOGIES, INCORPORATED

BY: /S/  Robert W. Cross                BY: /S/   Marvin E. Sternberg
   -------------------------------          --------------------------------
ROBERT W. CROSS PRESIDENT - NTC              MARVIN E. STERNBERG, PRESIDENT 
                                               MOYCO

dATE:     2/27/97                        DATE:       2/25/97
     -----------------------------            -------------------------------

                                                                    Page 2 of 5
  
   3


ITEM   QTY  UNITS   DESCRIPTION                                  UNIT COST
- --------------------------------------------------------------------------
                                                       

N/A    N/A   N/A   NANOPHASE 5 Year Purchase Order*              $30,000,000.00
                   * refer to Moyco/Nanophase 5 Year Purchase
                   and Distribution Agreement attached and in-
                   corporated herein
Payment Terms: 2% - 15 days from Invoice Date; Net 10
R&D PAYMENT TERMS: NET % ON 3/31/97 INVOICE; $5,000.00/MONTH
                   ON 1/31/98 INVOICE
MOYCO IMMDEIDATE DRAW OFF OF THE PURCHASE ORDER AS FOLLOWS:

ITEM   QTY  UNITS   DESCRIPTION                                  UNIT COST
- --------------------------------------------------------------------------
POWDER  1   TONS     NTC Nanotek Aluminum Oixde                  $50,000.00
                     (Target Delivery Date** 3/22/97)
POWDER  0.5 TONS     NTC Cerium Oxide                            $31,815.00
                     (Target Delivery Date** 3/22/97)
R&D     1   N/A      CERIA DEVELOPMENT R&D FEE                   $50,000.00
                     (Invoice Date: 3/31/97)
                      for work performed through 3/31/97
POWDER  2   TONS     NTC Nanotek Aluminum Oxide                 $100,000.00
                     (Target Delivery Date** 5/30/97)
POWDER  0.5 TONS     NTC Cerium Oxide                            $31,815.00 
                     (Target Delivery Date** 5/30/97)
R&D     1   N/A      1998 R&D FEES                               $50,000.00
                     (Invoice Date 1/31/98)

- --------------------------------------------------------------------------
MOYCO DRAW OBJECTIVES: 1997 CALENDAR QUARTER 3 AND QUARTER 4
POWDER  6   TONS     NTC Nanotek Alumium Oxide                  $300,000.00
                     (Target Delivery Date**: 1/30/97)
POWDER  1.5 TONS     NTC Cerium Oxide                            $95,445.00
                     (Target Delivery Date**: 8/30/97)
POWDER  14   TONS     NTC Nanotek Alumium Oxide                 $700,000.00
                     (Target Delivery Date**: 11/30/97)
POWDER  2    TONS     NTC Cerium Oxide                          $127,260.00
                     (Target Delivery Date**: 11/30/97)

** within 10 day window  Total Calender Year 1997 DRAW OBJECTIVE: $1,586,335

                                                                     Page 3 of 5



   4
- ------------------------------------------------------
30,000,000.00 Cost Break-Out:

                                                            
        *Research and Development Fee of $100,000.00            $   100,000.00
         over a two (2) year period. (Item 2 of the Moyco/
         Nanophase 5 Year Purchase and Distribution Agree-
         ment.

        *NTC Aluminum Oxide as per the Moyco/Nano-              $24,650,000.00
         phase 5 year Purchase and Distribution Agreement

        *NTC Cerium Oxide as per the Moyco/Nano-                $ 5,250,000.00
         phase 5 year Purchase and Distribution Agreement
- --------------------------------------------------------------------------------


NOTATIONS AND AMMENDMENTS:
It is hereby formally agreed that this Purchase Order is subject to standard
Moyco Terms and Conditions of Sale contained on the reverse side of this
purchase Order, as well as all other incorporated documents.


                                                                     Page 4 of 5
   5
                            MOYCO INDUSTRIES INC.
                       TERMS AND CONDITIONS OF PURCHASE


1.  ACCEPTANCE:  This purchase order constitutes a binding contract on the
    terms set forth herein when it is accepted by Seller either by
    acknowledgment or by commencement of performance.  No addition, change or
    modification of this purchase order shall be binding unless made in writing
    and signed by an authorized representative of Buyer.

2.  WARRANTY:  Seller expressly warrants that all articles, assemblies, parts
    and materials delivered under this purchase order will be free from
    defects in labor, materials or fabrication.  This warranty shall run to
    Buyer, its successors, assigns and customers.  All warranties shall be
    construed as conditions as well as warranties and shall not be deemed to be
    exclusive.

3.  PACKING:  All items shall be packed by Seller in suitable containers
    for protection in shipment and storage.  All highly polished, highly
    finished or precision parts are to be properly greased and packed in
    containers as protection against deterioration.

4.  PATENT INDEMNITY:  Seller agrees to idemnify and hold harmless the Buyer
    and its customers against all claims, demands and liability for actual
    or alleged infringement of any U.S. or foreign patents, trade-marks or
    similar right by the materials or articles delivered by the Seller, and the
    Seller will at its own expense defend any action, suit or claim in which
    such infringement is alleged, provided Seller is duly notified as to suits
    or claims against Buyer, and provided further that Seller's idemnity as to
    use shall not apply to articles delivered made to Buyer's drawings or
    design.

5.  COPYRIGHTS:  Seller agrees to grant to Buyer and to the Government a
    royalty-free right to reproduce, use and disclose any and all
    copyrighted or coyrightable matter required to be delivered by Seller to
    Buyer under this purchase order.  However, it is not deemed to grant a
    license under any patent now or hereafter issued or employ any right to
    reproduce anything else called for under this purchase order.

6.  MATERIALS FURNISHED:  When Buyer furnishes materials to Seller to be worked
    upon, Seller will be responsible for the care and safe-guarding of
    materials furnished by Buyer.  All such materials not used shall be
    disposed of as directed by Buyer.

7.  TOOLS AND DRAWINGS:  Seller agrees that it will use any designs, tools,
    patents, drawings,  Information and equipment furnished by Buyer only
    in the production of the articles called for in the purchase order and not
    otherwise unless written consent has been granted by an authorized
    representative of the Buyer.  Buyer does not warrant the accuracy of tools
    and fixtures furnished and all work must be in strict accordance with
    specifications.  Upon completion or termination, all items shall be
    returned to Buyer immediately.

8.  LABOR DISPUTES:  Whenever an actual or potential labor dispute is delaying
    or threatens to delay performance of this contract,  Seller will
    immediately give notice thereof to the Buyer and further if this order is a
    Government contract the Seller shall immediately give notice also to the
    nearest Government Department concerned. Such notice shall include all
    relevant information with respect to such dispute.

9.  DELAYS:  Buyer reserves the right to cancel this order in the event 
    shipments are not made within specified time.  Seller willl not, however,
    be liable for damages occassioned by delays in delivery due to causes beyond
    Seller's control and without his fault or negligence, provided Seller
    properly notifies Buyer as soon as such delay becomes evident.

11. TERMINATION (NON-GOVERNMENT ORDERS):  Buyer may, at its option, terminate
    this purchase order in whole or in part at any time by written or
    telegraphic notice to Seller.  Upon termination in whole or in part of the
    work under this purchase order by Buyer, the Seller will stop work
    immediately, notify sub contractors to stop work and protect property in
    Seller's possession in which Buyer has or may acquire an interest.  If the
    parties cannot agree by negotiation within a reasonable time upon the
    amount of fair compensation to the Seller of such termination, Buyer will
    pay Seller without duplication:

    (a) The contract price for articles which have been completed.

12. CONFIDENTIAL:  Seller agrees to be responsible within its control for the
    safeguarding of all secret, confidential or restricted matters in
    connection with the work to be performed by the Seller and to require a
    similar agreement of third parties to whom any work in this order may be
    alloted.

13. COMPLIANCE WITH LAWS:  Seller agrees that in the performance of this
    contract that it will comply with all applicable Federal, State and
    local laws and executive orders and regulations.

16. SUB-CONTRACTING:  The Seller may not sub-contract in whole or in part
    any portion of this purchase order, except with prior written consent
    of the Buyer.

17. INSURANCE:  Seller agrees to be responsible for any bodily injury or
    property damage resulting from Seller's performance under this purchase
    order, and Seller warrants that adequate insurance is being carried to
    cover such liabilities.  Seller agrees to carry fire and extended coverage
    insurance and be responsible for any of Buyer's property while in Seller's
    possession.  Seller agrees to maintain Buyer's property in good condition
    and not to dispose of said property except in accordance with Buyer's
    instructions.


20. PRICE QUALITY:  If price is not stated on this order,  Seller shall 
    invoice at lowest prevailing market price.  Material is subject to MOYCO's
    inspection, and approval within a reasonable time after delivery.  If
    specifications are not met, material may be returned at Seller's expense
    and risk for all damages incidental to the rejection Payment shall not
    constitute an acceptance of the material nor impair MOYCO's right to
    inspect or any of its remedies.
  

NOTATIONS:  

        1.) Items 10, 14, 15, 18, 19, and 21 are stricken from this Purchase
            Order.
        2.) Item 11, Sections b and c are stricken from this Purchase Order.
        3.) Item 11, Section a (Buyer's Right of Termination) shall apply
            equally to the Seller subject to the terms stated in Item 4 of 
            Moyco Nanophase 5 Year Purchase and Distribution Agreement.

AGREED:
        /s/ Robert Cross                     /s/ Marvin E. Sternberg
        ------------------------------       -----------------------------
        Mr. Robert Cross-NTC                 Mr. Marvin E. Sternberg-MOYCO

        2-27-97                               2-25-97
        ----------------                      ------------
        DATE                                  DATE

                                                                Page 5 of 5
   6
                ADDENDUM TO MOYCO/NANOPHASE 5 YEAR PURCHASE AND
                             DISTRIBUTION AGREEMENT


Except as modified by the Moyco/Nanophase Purchase and Distribution Agreement
effective as of February 27, 1997, the Marketing Agreement dated August 28,
1996 shall remain in effect.  In particular, and without limitation, we confirm
that:

For as long as this agreement remains in effect, or unless the parties
otherwise agree in writing, NTC will not directly or indirectly provide or sell
any of the Products to anyone other than Moyco knowingly for use in the
Applications.

For as long as this agreement remains in effect, or unless the parties
otherwise agree in writing, Moyco will not directly or indirectly sell or
provide formulations containing aluminum oxide or cerium dioxide other than the
Products knowingly for use in the Applications.

AGREED:


Nanophase Technologies Corporation              Moyco Technologies, Incorporated

By:  /s/ Donald J. Freed                        By:         [SIG]
   --------------------------------                 ---------------------------
   Donald J. Freed                                  
                                                
Its:  Vice President                            Its:  Vice President
                                                     --------------------------
Date: March 6, 1997                             Date:  3/6/97
      -----------------------------                   -------------------------
                                
 
   7
                     [MOYCO TECHNOLOGIES, INC. LETTERHEAD]



Nanophase
MR. Don Freed

Dear Don:
I spoke with Mr. Marvin Sternberg earlier today regarding your re-structuring
of the deliveries and payments portion of the Moyco/Nanophase Purchase
Order/Agreement.

The following changes can be immediatly agreed to:

FROM                                     TO
- ----                                     --
A. 1 Ton A12O3 3/22/97 net 30 days       2 Tons A12O3 3/22/96 net 90 days
- -------------------------------------------------------------------------
B. 2 Tons A12O3 5/30/97 net 30 days      1 Ton A12O3 5/30/97 net 90 days
- -------------------------------------------------------------------------
C. 1/2 Ton CeO 3/22/97 net 30 days       1/4 Ton CeO 3/22/97 net 60 days
- -------------------------------------------------------------------------
D. Ceria R&D $50,000.00 3/31/97           $75,000 3/31/97
- -------------------------------------------------------------------------
E. 1998 R&D Fees $50,000 1/31/98         $25,000 1/31/98
- -------------------------------------------------------------------------

AGREES:

/s/ Marvin E. Sternberg          3/31/97      /s/ Don Freed NANOPHASE   
- -----------------------------    -------      ------------------------  -------
Mr. Marvin E. Sternberg-MOYCO     Date        Mr. Don  Freed-NANOPHASE   Date

   8
                    [MOYCO TECHNOLOGIES, INC. LETTERHEAD]



MOYCO/NANOPHASE 5 YEAR PURCHASE AND DISTRIBUTION AGREEMENT
(Addendum/Amendment)

ISSUE 1

ITEM:     AMMEND/ADD
 
 2.       Moyco agrees to accept a Nanophase Invoice (Invoice Date 6/30/97) for
          an additional Ceria Development R&D Fee, for work performed from
          4/1/97 through 6/30/97, of $70,000.00 terms are Net 90 days.

ISSUE 2

ITEM:     AMMEND/ADD

 6.       NTC further commits to sell Nanotek Al2O3 at a price not to exceed
          $49.50 per kilogram (22.50/lb.) commencing on July 1, 1997 continuing
          through December 31, 1998.
   
          NOTE=  The 3% Discount is rescinded effective July 1, 1997.

Signed and Agreed this 30th Day of June 1997:

/s/ S. Charles Picardi                             /s/ Donald J. Freed
- ----------------------------                       ----------------------------
Mr. S. Charles (Chuck) Picardi                       Mr. Don Freed
 Moyco Technologies, Inc.                          Nanophase Technologies, Inc.
   9
                                                               

                              MARKETING AGREEMENT



Parties:              Nanophase Technologies Corporation ("NTC")
                      453 Commerce Street
                      Burr Ridge, Illinois 60521
                  
                      Moyco Technologies, Incorporated ("Moyco") 
                      200 Commerce Drive
                      Montgomeryville, Pennsylvania  10036  

Appointment:          NTC hereby appoints, and Moyco hereby accepts appointment
                      as NTC's globally-exclusive customer of the Products for
                      the Applications defined below.

Products:             NTC NanoTek(TM) Aluminum Oxide, in any form as
                      determined by NTC and Moyco to be required for use by
                      Moyco's customers in the Applications defined below (the
                      Products).  From time to time, upon mutual agreement
                      between NTC and Moyco, additional applications may be
                      added to this agreement. 

Applications:         Chemical mechanical planation (CMP) of metal layers in the
                      production of semiconductor devices (the Applications).
                      From time to time, upon mutual agreement between NTC and
                      Moyco, additional applications may be added to this
                      agreement.

Marketing Objectives: To achieve and maintain a dominant market position for the
                      Products based upon superior performance of the Products
                      within the Applications defined above.

Colabrative           The parties agree that the primary role of NTC under this
Relationship:         agreement shall be to provide Products and related
                      technology support to Moyco, and the primary role of Moyco
                      shall be to develop and manufacture formulations for the
                      Applications incorporating the Products, perform the
                      marketing functions, and provide the related customer
                      technical support.  Nonetheless, the parties agree to
                      actively confer and collaborate with each other concerning
                      significant issues and activities relating to achievement
                      of the marketing objectives.


Responsibilities      Establish and maintain appropriate production and 
of NTC:               handling facilities to apply the Products on schedules 
                      and in quantities adequate to support the marketing 
                      objectives.

                      Use its best efforts to achieve and maintain quality
                      (including elimination of aluminum metal contaminants),
                      technological superiority, and competitive costs of the
                      Products.  Secure and utilize such chemical analysis
                      equipment as may be required for this purpose.

                      Actively collaborate with Moyco in efforts to further
                      develop and enhance the Products in support of the
                      marketing objectives.  This shall include further
                      refinement of particle size distribution.  Secure and
                      utilize such electron microscopy equipment as may be
                      required for this purpose.

                      Actively provide technical and marketing assistance to
                      Moyco in support of the marketing objectives.  Employ a
                      dedicated abrasive scientist on the NTC staff.  Support
                      shall include but not be limited to:
                        Customer technical presentations.
                        Customer technical support activities.
                        Hosting visits by Moyco customer and prospective
                        customers to NTC facilities .
                        On-going strategic patent review.

            Enforce all patents relevant to NANOTEK Aluminum Oxide.

   10
Responsibilities  Use the best efforts to achieve and maintain quality, 
of Moyco:         technological superiority, and competitive costs of its
                  formulations for the Applications.

                  Use its best efforts to diligently market and promote its
                  formulations containing the Products for Applications in
                  support of the marketing objectives.

                  Provide NTC with an initial and rolling schedule of confirmed
                  or planned presentations, samplings and evaluations.

                  On-going and on a current basis, provide NTC with empirical
                  feedback from presentations, samplings and evaluations that
                  are arranged or conducted by Moyco, and otherwise provide NTC
                  with all information available to Moyco concerning Product
                  performance, and concerning market requirements relating to
                  Product performance.

                  Secure and utilize such equipment and facilities as may be
                  required to demonstrate and test formulations for the
                  Applications and to quantify performance.  This shall include
                  but not be limited to a CMP metal polishing tool, meteorology
                  equipment and a classroom.

                  Employ technical support staff experienced in CMP polishing
                  and expert in the underlying sciences relevant to the
                  Application.

                  Upon execution of this agreement, order and maintain a buffer
                  inventory of no less than 750 pounds of the Products.  This
                  quantity shall be above and beyond Moyco's needs for
                  development, sampling, and customer orders.  Upon securing
                  customer orders for production purposes,  Moyco shall maintain
                  a buffer inventory of the Products of no less than 750 pounds
                  or the total of estimated customer requirements for two
                  months, whichever is greater.

                  Provide NTC monthly with a rolling six-month forecast and
                  every six months provide NTC with a rolling three-year
                  forecast, of Moyco's Product requirements for the Applications
                  defined above.
             
Mutual            For as long as the agreement remains in effect, or unless
                  the parties otherwise agree in writing, NTC will not directly
                  or indirectly provide or sell any of the Products to anyone
                  other than Moyco knowingly for use in the Applications.

Exclusivity:      For as long as this agreement remains in effect, or unless
                  the parties otherwise agree in writing, Moyco will not 
                  directly or indirectly sell or provide formulations 
                  containing aluminum oxide other than the Products
                  knowingly for use in the Applications.

Pricing:          Pricing for the sale of Products by NTC to
                  Moyco shall be determined solely by NTC. NTC commits that
                  through 12/31/97 the price to Moyco for NanoTek(TM) Aluminum
                  Oxide shall not exceed $25 per pound for orders in excess of
                  2000 pounds with a defined delivery schedule.

                  When Moyco's purchases of the Products reach an average of
                  2000 pounds per month over a four month period, NTC shall
                  rebate that portion of the price paid for purchases since
                  1/1/96 which exceeded $25 per pound. The rebate shall be in
                  the form of six pounds of Products to be delivered for each
                  five pounds of product ordered.

                  Pricing for the sale of Products by Moyco to Moyco's
                  customers shall be determined solely by Moyco.

Shipping:         FOB NTC facility.

Disclaimers:      NTC assumes no risk or liability involved in the use of the
                  Products, including without limitation liability with regard
                  to third-party patent claims.


   11


Term of        One year, automatic renewal unless terminated as provided below.
Agreement:
               Termination without cause: six-month notice.

               Termination for failure to deliver, non-payment, or for material
               breech of this agreement:  Option of non-defaulting party to
               terminate if failure not cured within 30 days following notice
               of default.

Notices:       All notices required or desired to be given hereunder shall be 
               given by hand delivery, or by registered or certified mail, 
               return receipt requested, to the addresses listed above, and 
               shall be effective upon receipt.

Proprietary    The parties agree to the terms of the confidentiality agreement 
Rights:        executed on 2/1/96.

               The sale of Products by NTC to Moyco shall not constitute a
               license from NTC to Moyco.

Independent    Each party is an independent contractor.  Neither party is the
Contractors:   agent of the other, and neither shall have authority 
               to bind the other.
 
Jurisdiction:  All disputes arising out of this Agreement shall be decided by a
               competent court having jurisdiction over the defendant in 
               accordance with the laws of the state of Illinois applicable 
               to contracts made and to be performed in Illinois.

Prior          This agreement supersedes the prior agreement of the parties 
Agreements:    dated 2/1/96.
    

AGREED:

NANOPHASE TECHNOLOGIES CORPORATION          MOYCO TECHNOLOGIES, INCORPORATED


By:  /s/ Robert W. Cross                   By:  /s/  Marvin Sternberg
    -------------------------------            --------------------------------
    Robert W. Cross, President                 Marvin Sternberg, President

Date: 29 August 1996                        Date:  August 29, 1996
      -----------------------------               -----------------------------