Prix d'usine en vrac Ri rigide PP Rouleau en plastique pour les tasses Emballage
Description PP plastic, chemical name: polypropylene, English Name: polypropylene (PP) specific gravity: 0.9-0.91g/cm3, molding shrinkage: 1.0-2.5%, molding temperature: 160-220 ℃. The composition and structure of PP are crystalline polymers. Among the common plastics, PP is the lightest, and the density is only 0.91g/cm3 (less than water). Among the general plastics, PP has the best heat […]]
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