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Kaolin:
 Kaolin for Fire-resistant Material:
- Specification:
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Al2O3
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Fe2O3
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SiO2
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+45μm
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Moisture
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K2O+Na2O
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37% min
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0.6% max
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48% max
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1% max
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15% max
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0.6% max
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Kaolin for Paper Industry and Paint Industry
- Specification:
Whiteness: 87 pct min
-2 um %: 90pct min
+325 mesh: 0.01 pct max
Deposition: 0.02pct max
Ph value: 6-8
Viscosity: 70pct
Al2O3: 37pct min
Fe2O3: 0.6pct max
SiO2: 48pct max
LOI: 15Ppct max
Moisture: 2pct max
Calcined kaolin
- Specification:
Brightness, GE: 90%±1
Particle Size: < 2 μ，92% min
Slurry Viscosity, Brookfield: 130
pH: 6
Residue, >325 mesh: 0.01% max
Moisture: 0.5 % max
Abrasion, Einlehner@100K: 13.5 mg/100,000
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