... / yellow flakes, packing:25kg/bag Magnesium chloride used for make doorhexahydrate(mgcl2) Mgcl2 98% MinAppearance: White flakes/ yellow ... flakes Usage: 1. Metallurgy: Used to make refractory material and is raw material of making number 2 ... it can be made into hard corrsion resistance magnesia cement, artificial marble, floor, ceiling, decorative board, fireproof board, partition ...