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Jinyu Kaolin Technology Jiangsu Co., Ltd. 

HOME 》 P 》 Ultra Calcined Kaolin 》 Ultra white and ultra-fine calcined kaolin for paper industry 》 GB-CK98
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GB-CK98

GB-CK98

Ultra white and ultra-fine Calcined Kaolin for Papermaking

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Product Description

Ultra white and ultra-fine Calcined Kaolin for Papermaking

1. Benefits and Application
   As calcined kaolin pigment, GB series product with high brightness, excellent light scattering property and low abrasion value can be applied to filing and coating(the most applicable area) papermaking industry. Its value is as following:
   Replace titania or other high cost filling pigments and lower production cost.
   Improve paper property, such as smoothness, glossiness and opacity.
   Improve ink absorbency and print fitness.
   Excellent compatibility with various additives.
   Compared with other pigments, the Solids content (Viscosity: 500mPa·S ) of its dispersion is higher (about 78.6%), so it can be compounded in high solid content coating and is applicable to high speed coatings.

2. Typical Physical Properties


Item GB-CK98 GB-CK98L
Brightness(T457) 93%min 90-92%
Particle Size (0-2micron) 85-90 85-90
Abrasion Value (mg/100,000rev) 25-40 16-25
Screen residue (325 mesh %) 0.005max 0.005max
Refractivity 1.62 1.62
Oil Absorbency (g/100g) 60-75 60-75
pH 5.5-7.0 5.5-7.0
Dispersion (micron) 55max 55max
Bulk Density(kg/m3) 330 330
Moisture (%) 0.3max 0.3max

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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