... 280 °C the refractive index is 1.60, No dissolve in water, soluble in ether, non-flammable and corrosive, when acid decomposed into ... lubricants, heat-resistant and strong, and has excellent lubricating function, widely used in rigid plates, pipe production, and the second salt, salt ... . Keep it in airtight containers and dry, cool and dark place. Damp-proof, far from fire and no contact with corrosive ...