Cryolite powder,sodium cryolite 1.Application:flux for iron alloy,aluminum industry 2.Appearance:white crystalline powder Cryolite powder,sodium cryolite1.Application:flux for iron alloy,aluminum industry2.Appearance:white crystalline powder 3.Grade standard:industrial garde ,Colorless monoclinic system crystalPacking: In plastic coating woven bag with plastic film and paper bags inside 25kgs,. ...