Silicon materials, purity
Broken wafer, silicon wafer, top tail of ingot, poly-silicon
Silicon wafers, polysilicon, virgin wafers, silicon broken wafers, top & tails, polysilicon chunks, solar grade silicon wafers
Ferro silicon, ferro silico calcium, moily oxide
Silicon material
Grunlar yellow crude sulphur
Natural graphite, primary syntetich graphite, conductive carbon black, silicon carbide
