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The effects of the contents of activated light calcium carbonate, PE wax and acrylic ester(ACR) on the surface gloss of plastics profile shapes were studied.
研究了活性轻质碳酸钙（活性钙）、聚乙烯蜡（PE蜡）、丙烯酸酯（ACR）用量对型材表面光亮度的影响。结果表明活性钙用量越多，型材表面光亮度越差；
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