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Light calcium carbonate
Character description: white powder or colorless crystal. No smell. Tasteless. Decomposition of 825 to calcium oxide and carbon dioxide. Soluble in dilute acid and release carbon dioxide, insoluble in alcohol. There are two kinds of crystallization, is an orthorhombic crystal aragonite, a rhombohedral calcite crystal is six. Calcite, with irritation.
Calcium carbonate in a large number of plastic use, the plastic industry is not highly valued by chance, compared to other non-metallic mineral powder material, calcium carbonate has obvious advantages.
1) the price is cheap
Both heavy and light calcium carbonate in various non mineral powder is the price reasonable. That is to say, any a kind of non mineral powder just trying to to replace the calcium carbonate as the plastic filling material, and features than the salience of the powder material itself, it is meaningless.
2) color is good, easy coloring
Light colored plastic products can be made. Deficiencies are colored plastic products are not bright enough, in most cases can be accepted.