滑石粉

Chemical analysis and Physical Properties
Whitenss (白度) 　　 　　 96 　%GE
Bulk Density (假比重) 　　　 0.40 　g/cm3
Specific Gravity (原矿比重) 　　　　 2.7 　g/cm3
Loss on Ignition (烧热减量) 　　　 　 4.51
Particle Size (粒径细度) 　　　 　 4.5 μm
Silicon Dioxide (二氧化硅) 　　　　 60.64 %
Aluminum oxide (三氧化铝) 1.62 %
Potassium oxide (氧化钾) 4.22 %
Magnesium oxide (氧化镁) 30.8 %
Ferric oxide (三氧化二铁) 0.01 %

Heavy metal (重金属)

Lead (铅)………………………………… Less than 3 ppm
Antimony (锑)………………………………… Less than 1 ppm
Arsenic (砷)………………………………… Less than 3 ppm
Barium (钡)………………………Did Not import Green color
Cadmium (镉)………………………………… Less than 1 ppm
Chromium (铬)………………………………… Less than 1 ppm
Mercury (汞)………………………………… Less than 1 ppm
Iron (铁)…………………………………………… 0.2 %