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                                  Exhibit 4(b)





                          Certificate of Amendment of
                        Certificate of Incorporation of
                           Core Materials Corporation
                as filed with the Secretary of State of Delaware
                              on November 6, 1996

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                            CERTIFICATE OF AMENDMENT
                                       OF
                          CERTIFICATE OF INCORPORATION


         Core Materials Corporation, a corporation organized and existing under
and by virtue of the General Corporation Law of the State of Delaware,

         DOES HEREBY CERTIFY:

         FIRST: That pursuant to the unanimous written consent of the Board of
Directors of Core Materials Corporation, resolutions were duly adopted setting
forth a proposed amendment of the Certificate of Incorporation of said
corporation, declaring said amendment to be advisable and calling a meeting of
the stockholders of said corporation for consideration thereof. The resolutions
setting forth the proposed amendments are as follows:

         RESOLVED, that the Certificate of Incorporation of this corporation be
         amended by changing the first paragraph of the Article numbered "IV"
         so that, as amended said paragraph of such Article shall be and read
         as follows:

         "The total number of shares of all classes of capital stock which the
         Corporation shall have authority to issue is thirty million
         (30,000,000) shares, of which twenty million (20,000,000) shares shall
         be Common Stock of the par value of one cent ($0.01) each (hereinafter
         called "Common Stock") and ten million (10,000,000) shares shall be
         Preferred Stock of the par value of one cent ($0.01) each (hereinafter
         called "Preferred Stock")."

         FURTHER RESOLVED, that the Certificate of Incorporation of this
         corporation be amended by changing the Article thereof numbered "VI"
         so that, as amended said Article shall be and read as follows:

         "SECTION l. Vote Generally Required. Notwithstanding anything
         contained herein or in the General Corporation Law of the State of
         Delaware, the Corporation shall not (a) merge or consolidate with any
         one or more corporations, joint-stock associations or non-stock
         corporations (other than in a merger not requiring any vote of
         stockholders of the Corporation under the General Corporation Law of
         Delaware), (b) sell, lease or exchange all or substantially all of its
         property and assets or (c) adopt any plan or proposal for the
         liquidation or dissolution of the Corporation, unless (1) the Board of
         Directors shall, at a meeting duly called, adopt a resolution, by the
         affirmative

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         vote of at least two-thirds (2/3) of the entire Board of Directors,
         approving such action and (2) such action shall be approved at a
         meeting by the affirmative vote of the holders of 66-2/3% of the shares
         of capital stock of the Corporation then outstanding and entitled to
         vote generally in the election of directors ("Voting Stock"), voting
         together as a single class and, except as expressly provided in this
         Certificate of Incorporation or in any resolution or resolutions
         adopted by the Board of Directors pursuant to authority expressly
         vested in it by the provisions of Article IV with respect to the
         Preferred Stock and except as otherwise provided by law, no vote by
         holders of capital stock of the Corporation other than Voting Stock
         shall be required to approve such action.

         SECTION 2: Amendment or Repeal. Notwithstanding the fact that a lesser
         percentage may be specified by the General Corporation Law of
         Delaware, the affirmative vote of the holders of record of at least 
         66-2/3% of the shares of the Voting Stock, voting together as a single
         class, shall be required to amend, alter or repeal any provision of,
         or to adopt any provision or provisions inconsistent with, any
         provision of this Article."

         FURTHER RESOLVED, that the Certificate of Incorporation of the
         corporation be amended by changing the Article thereof numbered "XIII"
         so that, as amended said Article shall be and read as follows:

         "The Corporation reserves the right to amend, alter, change or repeal
         any provisions contained in this Certificate of Incorporation in the
         manner now or hereafter prescribed by law, and all the provisions of
         this Certificate of Incorporation and all rights and powers conferred
         in this Certificate of Incorporation on stockholders, directors and
         officers are subject to this reserved power; provided that (a) the
         affirmative vote of the holders of record of at least 66-2/3% of the
         shares of Voting Stock, voting together as a single class, shall be
         required to amend, alter, change, or repeal any provision of, or to
         adopt any provision or provisions inconsistent with Article VI or this
         subsection (a) of Article XIII of this Certificate of Incorporation;
         (b) the affirmative vote of the holders of record of at least 80% of
         the shares of Voting Stock, voting together as a single class, shall be
         required to amend, alter, change, or repeal any provision of, or adopt
         any provision or provisions inconsistent with Section 2 of Article IX
         or this subsection (b) of Article XIII of this Certificate of
         Incorporation; and (c) the affirmative vote of the holders of record of
         at least 80% of the shares of 
           


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         Voting Stock present in person or by proxy at a meeting of
         stockholders, voting together as a single class, shall be required to
         amend, alter, change, or repeal any provision of, or to adopt any
         provision or provisions inconsistent with Article XI or this subsection
         (c) of Article XIII of this Certificate of Incorporation,
         notwithstanding the fact that a lesser percentage may be specified by
         the General Corporation Law of Delaware."

         SECOND: That thereafter, pursuant to resolution of its Board of
Directors, a special meeting of the Stockholders of said corporation was duly
called and held, upon notice in accordance with Section 222 of the General
Corporation law of the State of Delaware at which meeting the necessary number
of shares as required by statute were voted in favor of the amendments.

        THIRD: That said amendment was duly adopted in accordance with the
provisions of Section 242 of the General Corporation Law of the State of
Delaware.

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