Polymer processing systems are provided including an extrusion assembly, a specially configured decompression chamber assembly, and a die assembly. Such systems are effective to provide shaped polymer products having reduced extrusion markings.

 
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< Process for making and aging high strength high gas barrier cellular cushioning product

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> Extrusion device for manufacturing a product based on a rubber mix

> Moldable pellet based on the combinstion of synthetic cellulose fibers and thermoplastic polymers

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