molybdenum disulfideFor the black solid powder, has the metallic luster, by the reputation is the high-quality solid oil king. The molybdenum disulfide is changes the so
antimony sulfideIs selects by the stibnite process with the chemically pure, for black solid powder. Its melting point quite is low, is 548 degrees Celsius, after th
Fluosilicic AcidFluosilicic acid is a main material of electrolyte for electrowinning lead process
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