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PP阻燃板材可以添加碳酸钙吗？
碳酸钙，白色固体状，无味、无臭。有无定型和结晶型两种形态。结晶型中又可分为斜方晶系和六方晶系，呈柱状或菱形。相对密度2.71。825～896.6℃分解，在约825℃时分解为氧化钙和二氧化碳。熔点1339℃，10.7MPa下熔点为1289℃。难溶于水和醇。与稀酸反应，同时放出二氧化碳，呈放热反应。也溶于氯化铵溶液。几乎不溶于水。
Focus on the functional innovation of high-end plastics and promote "Intelligent Manufacturing in China" to enter the global market.
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