RAW KAOLIN

RTC-RC: % Particles< 2 μm: ≥45.0 pH: 4~6 SiO₂ : 68 Al₂O₃ ≥22.0Fe₂O₃ ≤1.2TiO₂ ≤0.4Brightness after firing: 55-75 Moisture: 30/15 Shrink ratio: 4.5±1 Ignition lost: 7.5±1 Water Absorption: 10±1

Breaking strength: 20KG/C㎡

 

RTC-90A: % Particles< 2 μm: 325mesh(Cake) pH: 4~6 SiO₂ 45Al₂O₃ 37.5Fe₂O₃0.28TiO₂ 0.04Brightness after firing:91 Moisture:≤20 Shrink ratio:4.5±1

Ignition lost:7.5±1 Water Absorption:10±1 Breaking strength:20KG/C㎡

 

RTC-90B : % Particles< 2 μm: Cake pH: 4~6 SiO₂ 45.33 Al₂O₃ 38Fe₂O₃ 0.18TiO₂ 0.12Brightness after firing:92 Moisture:25 Shrink ratio:4.5±1

Ignition lost:7.5±1 Water Absorption:10±1 Breaking strength: 20KG/C㎡