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                                                                    EXHIBIT 23.2
 
                       CONSENT OF INDEPENDENT ACCOUNTANTS
 
     We consent to the incorporation of our report dated February 2, 1996 on the
combined financial statements of CPI Plastics, Inc., CP Illinois, Inc., and CP
Ohio, Inc. as of December 31, 1995 and 1994 and for the three year period ended
December 31, 1995, in this Form S-4.
 
                                          /s/ PLANTE & MORAN, LLP
 
                                          PLANTE & MORAN, LLP
 
Southfield, Michigan
   
February 10, 1997