Since 1986, we have produced Zinc oxide, MgO and MgCo3 for over 20 years and become one of the largest manufacturer of China in this field. Pls let me know your specific requirements for quotations, we can provide you all kinds of goods base on your demand. thirst for long-terms and stable cooperation with you. For more information pls contact me. specifications: MgO %≥ 95.0 for Wire,Cable Insoluble in Hcl solution --- CaO %≤ 1.0 Sulphate (SO4)% --- CuO %≤ 0.0002 Screening residues(through 150um mesh) %≤ 0.03 Fe%≤ 0.05 Mn%≤ --- Chloride (Cl) %≤ 0.035 Losses in ignition %≥ 3.5 Accumulation density(g/ml) %≤ 0.20 MgO %≥ 97.5 for Adhesive Insoluble in Hcl solution 0.10 CaO %≤ 0.7 Iodine absorption%≤ 150 Screening residues(through 150um mesh) %≤ 0.01 Fe%≤ 0.06 specific votume(ml/g) %≤ 0.55 Losses in ignition %≥ 13 moisture 0.5 Usage: 1)As a binder in grinding wheels 2)Source of magnesium ions for chickens, cattle and other animals 3)Reduces iron, silica and solids 4)Pigment extender in paint and varnish 5)Basic ingredient of oxychloride cements used for flooring, wallboard, fiber board, and tile 6)Semi-conductors; heating elements insulating filler between wire and outer sheath 7)Source of essential magnesium for plant nutrition 8)Catalyst and water acceptor in shell molding 9)Ingredient for specialty, scientific and decorative glassware and fiberglass 10)Light, flexible mats for insulating pipes 11)Additive to neutralize acids Packing: Packed in woven bags with liner