NoItemsLevel Chemical compositions HTK û 80AP 1Whiteness before burning80%1% 2SiO2Max 49% 3Al2O3Min 35% 4Fe2O3Max 0.9% 5TiO2 0.3% 6CaO 0.2% 7MgO 0.2% 8K2O 0.5% 9Na2O 0.1% 10 Loss on ignition14% 0.5% Physical properties 1Moisture≤ 2 % 2pH5,5 3Residue 325 Mesh 0.1% 4Physical formPowder Packing method: PP/PE, JUMBO BAG