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Jinyu Kaolin Technology Jiangsu Co., Ltd. 

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GB-CK90S

GB-CK90S

Common calcined kaolin for Wire and Cable

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Product Description

Common calcined kaolin for Wire and Cable

1. Benefits and Application

GB-CK90S is an anhydrous aluminum silicate produced by a controlled, high-temperature heating of a water-fractionated kaolin.
During calcination, chemical, morphological and mineralogical changes occur.
GB-CK90S imparts excellent electrical insulation properties to low and medium voltage power cables.

2. Typical Physical Properties
Item GB-CK90S
Brightness(T457) 90.5%min
Particle Size (0-2micron)% 50+/-2
Particle Size (0-10micron)% 94%
Refractivity 1.62
Screen residue (325 mesh %) 0.05max
Oil Absorbency (g/100g) 35+/-5
Dispersion (micron) 55max
pH 5.5-7.0
Bulk Density (kg/m3) 600
Specific Gravity (kg/m3) 2600
Volume resistivity before immersion at 20 ℃ (Ω.cm)
 6×1012
Moisture (%) 0.8max


3. Typical Chemical Properties

SiO2(%)
 Al2O3(%)
 Fe2O3(%)
 TiO2(%)
 CaO(%)
 MgO(%)
 CuO(%)
 K2O(%)
 Na2O(%)
 MnO(%)
52+/-2
 45+/-2
 0.50max
 1.5max
 0.4max
 0.2max
 0.004max
 0.05max
 0.15max
 0.004max

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