Washed Kaolin Powder for Refractory of Special Ceramic and Glaze(GRG-02) 1.Al2O3 37 % 2.Brightness 88.0% min. 3.Fe2O3 0.62% max. Features High alumina,low iron, outstanding plasticity,fine particle size distribution, high modulus of rupture,high brightness.It is a plasticity ceramic material for refractory special ceramic and glaze. No. of Product GRG-02 SiO2 % ≤48 Al2O3 % ≥37 Fe2O3 % ≤0.62 TiO2 % 0.16 Na2O % 0.27 K2O % 0.45 CaO % 0.20 MgO % 0.29 Particles (-2μm) % ≥87 Calcined Brightness(1200°C) ≥88 Ig Loss (1200°C) % 13.58 Shrinkage (1200°C) % 9.13 Water Absorption (1200°C) % 10.03 Dry strength Kgf/cm2 28.5 Flow speed(s) 41 PH 5.3 Moisture % ≤2.0 Packing 25 kgs/50kgs PP Bag,1mt Jumbo Bag