Polycom Huntsman, Inc. and Subsidiaries
                                                                      Exhibit 23
                                                                                
                                                                                
                         CONSENT OF INDEPENDENT AUDITORS
                                        


   We consent to the incorporation by reference in the Registration Statements
on Form S-8 (Nos. 33-20437 and 33-61322) and Form S-3 (No. 333-24527) of
Spartech Corporation of our report dated April 17, 1998 relating to the
financial statements of Polycom Huntsman, Inc. and Subsidiaries included in this
Current Report on Form 8-K/A of Spartech Corporation dated March 31, 1998.
   
   
                                   Ernst & Young LLP
Pittsburgh, Pennsylvania
June 11, 1998