We sell silicon Powder /Tisi2 Power, can sell at any quantity. Specification for Purity 99.9% Tisi2 Power or silicon powder (Rare metal)1,Density:2.33 g per cm32,Atomic weight:19.15 g per mol3,Melting point:14104, Boiling point:23555,Color:gray dark black looking6,Use: electronic, spaceflight,aviation, military make weapon and metal combination etc.7,purity:99.9% Purity 99.9% silicon powder