4N Polycrystalline Silicon

4N Polycrystalline Silicon: Appearance:Grey metal with metallic luster. Purity:4N Application:Polycrystalline silicon is the direct material to produce crystalline silicon, and it is the basic material of contemporary artificial intelligence, auto control, information disposal, photo electricity, and other semiconductor parts. Polycrystalline silicon of high pure dense and high quality is an important material of the production of semicon ductor parts and IC. Chemical Components(%)Main Comp.Si≥99.99 Other Content≤ Na 0.001Al 0.0006Mn 0.001Cu 0.0001Mg 0.0001k 0.001Fe 0.0003C 0.0002P 0.0006Ti 0.0001Ni 0.0001B 0.0001Ca 0.0002Cr 0.001Co 0.0001S 0.0006