Washed Kaolin for High Quality Ceramic Body and Glaze

Washed kaolin for high quality ceramic body and glaze
Under kaolin products performing well on plasticity, cohesiveness and sinterability.
They are white, compact and have large mechanical intensity which can be well Used as clay body and glaze in all kinds of floor tile, table ware, and sanitary ware etc.

No. Of Product GRCH-1 GRCH-2 GRCH-3 GRCH-4 GRCH-5
SiO2 % ≤49 ≤49 ≤50 ≤50 ≤50
Al2O3 % ≥36.5 ≥35 ≥35 ≥33 ≥32
Fe2O3 % ≤0.75 ≤0.85 ≤0.90 ≤0.95 ≤1.0
TiO2 % ≤0.15 ≤0.15 ≤0.20 ≤0.15 ≤0.15
Particles (-2μm) % ≥50 ≥45 ≥30 ≥20 ≥20
Screen residue (325 mesh) % ≤0.5 ≤0.5 ≤0.5 ≤0.5 ≤0.5
Calcined Brightness(1200 C) ≥88.0 86.0-87.0 84.0-85.0 81.0-83.0 ≥78.0
K2O % ≤1.6 ≤1.8 ≤2.0 ≤2.0 ≤2.0
Na2O % ≤0.20 ≤0.20 ≤0.25 ≤0.25 ≤0.25
Ca2O % ≤0.20 ≤0.20 ≤0.25 ≤0.20 ≤0.20
MGO % ≤0.20 ≤0.20 ≤0.25 ≤0.20 ≤0.20
H2O % Filter cake shape 30appr., Noodle shape 9-15, Powder 5-6
LOS % ≤15.0 ≤15.0 11.0-13.0 ≤15.0 ≤15.0
pH 5.0-7.0 5.0-6.5 5.0-7.0 5.0-7.0 5.0-7.0