| 摘要 |
PURPOSE:To provide the title compsn. which gives products having excellent impact strength, fabricability and surface gloss, by blending a rigid vinyl chloride resin with ground limestone and precipitated fine calcium carbonate powder. CONSTITUTION:A rigid vinyl chloride resin (A) is blended with 2-10PHR ground limestone (B), 1-4PHR precipitated fine calcium carbonate (C) and optionally an acrylic processing aid (D) (e.g., polymethyl methacrylate).
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