we are magnesium carbnate directly factory Product Name:light Magnesium Carbonate Appearance: white powder Grade Standard: Industry grade CAS NO. 13717-00-5 Formula:MgCO3 ITEM SPECIFICATIONS Magnesium carbonate light 41%-42% min Hcl insoluble substances 0.15%max L.O.I 54-58 CaO 0.10%max Iron 0.02% max Mn 0.004%max Sulphate 0.10%max Moisture 2.0%max 150um sieve residue 0.025%max Application: Magnesium carbonate used as high-quality filler and reinforcement agent of rubber products; as well as fireproof and thermal insulation materials resistant to high temperature. Light magnesium carbonate with a basis of asbestos is high-quality isolation material used for ship and boiler manufacture. And it also can be used tomanufacture high-grade glass articles, magnesium salt, pigment, paint and chemicals for daily use, etc. It can be used as anti-acid agent in pharmaceutical industry. And also can be used as desiccant, color retention agent, carrier and anti-caking agent. Packaging & Delivery Packaging: 25kg/Bag, 1x20' FCL can be loaded 8 Pallet/ ton/400bags. 1x20' FCL can be loaded, 9 ton/ 450bags without pallet. (1 Pallet can be packed 10 bags ) 1x40'FCL can loaded 14MT. Delivery Time: Within7- 20 days after received advance payment