... densityg/m31.92Particle Densityg/m33.96Grain Sizesmm3-5Content of magnetic substance%0.038max We have stable supplier, ... Province, China, which is the biggest collecting and distributing centre of refractory materials, aluminum products, cables and cords and ... AAA enterprise in Gongyi. Our company pursue service principle of "customers'"satisfaction and promises integrity, reliability and reassurance ...