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1. high purity quality 2. few impurity 3. our own mine 4. competitive price we have our own mine and factory in Haicheng city liaoning province, our materials have the few asbestos and impurity, so our talc lump show the light green and light red and white color. The hardness is 1, and gravity is 2.7-2.8 Talc have the properity of lubricity, watery, with resistance of acid, insulation, high ...