We are one of the biggest pyrite products manufacturer in China. Our main products are high quality pyrite powder and its lumps(FeS2). The mainly used of the pyrite powder is for Resin bonded wheels. The quality and the size as follow:

Pyrite powder(FeS2):
S 48%MIN, Fe 43%MIN, SiO2 3%MAX, H2O 1%MAX Mesh325, Mesh200, 10-30mm, 10-50mm As, C, P, Pb 0.1%MAX
S 46%MIN, Fe 43%MIN, SiO2 3%MAX, H2O 1%MAX Mesh325, Mesh200, 10-30mm, 10-50mm As, C, P, Pb 0.1%MAX
S 43%MIN, Fe 43%MIN, SiO2 3%MAX, H2O 1%MAX Mesh325, Mesh200, 10-30mm, 10-50mm As, C, P, Pb 0.1%MAX