GB(JY)-CK60/90/92
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GB(JY)CK98/98L/D
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GB-CKR901
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                           ACTIVE ALUMINA SILICATE IN RUBBER      
(GB-CKR901)

1. Benefits and Application

GB-CKR901 (Superfine active aluminum silicate) is formed by particular thermal treatment and surface preparation. Its appearance is white super fine powder and particle size is as fine as sub-micron. Its PH value is 6.0-7.0 and it can be applied in natural rubber, rubber polymer and colophony as white active filler. The rubber with GB-CKR901 has high colorability, opacity and extrudability. The product has the same excellent excess weld property and abrasion resistance as carbon white. The rubber has advantages of good allround performance, electrical property and other properties of thermostability, acid and alkali resistance and chemical solvent resistance, and is a superior filler of tint rubber product as a substitution of carbon white. It's applied in various tint rubber products.

2. Typical Physical Properties

Category Item GB-CKR901 Test Method
Tensile at Break(M PA) 24.0min GB528-82
Maximum Elongation(%) 500min GB528-82
Tensile Modulus(M PA) 5.0min GB528-82
Abrasion Value(cm3/1.61km) 0.8max GB1689-82
Brightness(%) 90min GB/T14564-93

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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