WASHED KAOLIN FOR CERAMICS
RTC-W90A: Particles < 2 μm:≥50 Screen residue +325mesh: ≤0.5
Fired whiteness:≥90 PH:4-6
Moisture: Filter Cake Shape 30±1%,Powder 2% SiO2 ≤49.0 Al2O3 ≥35.0
Fe2O3 ≤0.3 TiO2:≤0.05 K2O:1.50±0.3 Na2O:0.1±0.05 CaO:0.1±0.05 MgO:0.15±0.03 Lg(LOS): ≤14.0
RTC-W90B: Particles < 2 μm:≥80 Screen residue +325mesh:≤0.1
Fired whiteness:≥89 PH:4-6
Moisture: Filter Cake Shape 30±1%,Powder 2% SiO2≤46.5 Al2O3 ≥36.5 Fe2O3 ≤0.55 TiO2 ≤0.1 K2O:1.50±0.3 Na2O:0.1±0.05 CaO:0.1±0.05 MgO:0.15±0.03 Lg (LOS): ≤14.0
RTC-W88:Particles < 2 μm:≥50 Screen residue +325mesh:≤0.5
Fired whiteness:≥88 PH:4-6
Moisture: Filter Cake Shape 30±1%,Powder 2% SiO2 ≤49.5 Al2O3 ≥36.0 Fe2O3 ≤0.7TiO2≤0.15 K2O:1.50±0.3 Na2O:0.1±0.05 CaO:0.1±0.05 MgO:0.15±0.03 Lg (LOS): ≤13.5
RTC-W85:Particles < 2 μm:≥50 Screen residue +325mesh:≤0.5
Fired whiteness:≥85 PH:4-6
Moisture :Filter Cake Shape 30±1%,Powder 2% SiO2 ≤49.5 Al2O3 ≥35.5Fe2O3 ≤0.8 TiO2 ≤0.15 K2O:1.50±0.3 Na2O:0.1±0.05 CaO:0.1±0.05 MgO:0.15±0.03 Lg (LOS) :≤13.5
RTC-W82: Particles < 2 μm: ≥45 Screen residue +325mesh: ≤0.5
Fired whiteness: ≥82 PH: 4-6
Moisture :Filter Cake Shape 30±1%,Powder 2% SiO2 ≤50 Al2O3 ≥35.5
Fe2O3 ≤0.95 TiO2 ≤0.2 K2O: 1.50±0.5 Na2O: 0.1±0.05 CaO: 0.1±0.05 MgO: 0.15±0.03 Lg (LOS) : ≤13.0
RTC-W78: Particles < 2 μm: ≥35 Screen residue +325mesh: ≤1.0
Fired whiteness: ≥78 PH: 4-6
Moisture :Filter Cake Shape 30±1%,Powder 2% SiO2 ≤52 Al2O3 ≥33.0
Fe2O3 ≤1.05 TiO2 ≤0.2 K2O: 1.50±0.5 Na2O: 0.1±0.05 CaO: 0.1±0.05 MgO: 0.15±0.03 Lg (LOS) : ≤13.0