Silicon Metal, Powder -50 +100 mesh, 99.999% (Metals Basis), Electronic Grade, Certified, 250g For Research & Development Not for drug, clinical use in humans, for food or food additive use
Certificate of Analysis: Appearance grey crystalline powder Assay (metals basis) 99.999% Identity by ICP analysis Melting point 1410ºC Particle size -50 +100 mesh