Heavy Calcium Arbonate
Introduction
Heavy calcium carbonate, or heavy calcium for short, is made by grinding natural carbonate minerals such as calcite, marble, and limestone.It is a commonly used powder inorganic filler, with high chemical purity, high inertia, not easy to chemical reaction, good thermal stability, under 400℃ will not decompose, high whiteness, low oil absorption rate, low refractive index, soft, dry, does not contain crystal water, low hardness abrasion value, non-toxic, tasteless, odorless, good dispersion and other advantages.
ApplicationsHeavy calcium carbonate powder for plastic masterbatch and color masterbatch: 400-1250 mesh. The whiteness is required to remain unchanged after heating at high temperature. The structure of the ore is large crystal calcite, with calcium carbonate content of 99% and whiteness of 95%.
Product function
Calcium carbonate in plastic products can play a skeleton role, has a great role in the stability of the size of plastic products, but also can improve the hardness of products, improve the surface gloss and surface smoothness of products, improve the heat resistance of plastic products.Because calcium carbonate is over 90 degrees whiter, it can also replace expensive white pigments to reduce costs.
Product advantages
Heavy calcium carbonate is one of the important plastic fillers. Due to its low price, high chemical purity, high inertia and good thermal stability, it is widely used in PVC, PE, PP and a variety of unsaturated resins, among which PVC products are the earliest and largest application market of heavy calcium.
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