Magnesium oxide Feed grade 90% CAS: 1309-48-4 Molecular formula: MgO. Molecular weight: 40.31 EINECS NO: 215-171-9 Appearance: White or white rice powder relaxed. Detailed Specification : MgO, % : 90.0 min Mg % : 53.0 minCaO, % : 2.0 max SiO2, % : 2.5 maxFe2O3, % : 1.0 max Al2O3, % : 0.5maxPb % : 0.004 maxAs % : 0.002 max Hg ppm: 0.5 max Usage: Magnesium is the important mineral in the animals, as building element of bones and teeth. It also plays important roles in the metabolism of energy, fat and protein, etc. Packing: 25kg/ PP Woven Bag With PE Liner, 24MT/ 20' FCL Loading Port: XINGANG ( TIANJIN, CHINA) Delivery time: Usually within 20-30 days Payment term: T/ T; L/ C Candice Hebei Jinge Chemicals Co., Ltd Mail: candice@ jinglechem.com MSN: candicechem@ hotmail.com