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【Products】Kaolin for refractory materials
 
【Product detail】

Yuanjiang Brand - kaolin have high refractoriness, our factory are mainly used for refractory material from two aspects: one is to improve the refractoriness, the second is to improve the body of plastic refractory.

Add kaolinite refractory products with high temperature resistance, and the ability of the load and deformation at high temperature, products mainly include two categories: brick, silicon aluminum cotton.Add "Ju feng" products made of different sizes and shapes the refractoriness of refractory brick is not lower than 1730 ℃.Silicon aluminum cotton is a kind of lightweight refractory insulation materials, the manufacturing method is: kaolin by 1000 ~ 1100 ℃ roasting, with 2000 ℃ electric furnace melting of the ore under high-speed airflow blows made from cotton.

In "yuan jiang" brand kaolin, Al2O3 / SiO2 ratio is 0.84, is better than that of other kaolin the ratio of 0.7 ~ 0.8, the existence of rich aluminum, will increase the refractoriness, in addition, our company will lower refractoriness in kaolin products Fe2O3, TiO2, K2O content is very low.

1. Main properties and features

 

Chemical substances kaoin / calcined -coatings grade
Appearance white powder
Packing 25kg woven bag/ kraft paper bag, 1000kg sack
Main features Good fineness, high whiteness, high hiding power, high Glossiness
Range of application Used in various medium- to high-grade coatings.

 

2. Quality Index

 

NO. Item Unit Physical Index
YJ-A YJ-B
1 Whiteness % ≥93 ≥92
2 325-mesh Residue on sieve% % £¼0.004 ≤0.004
3 refractive index % 1.62 1.62
4 Water content % £¼0.5 £¼0.5
5 pH-value of aqueous suspension   6.5-7.2 6¡«8
6 Oil absorption(depend on different fineness) %g/100g 45±5 43±5
7 £¼2um content % 80±2 78±2

 

Chemical Index

 

 

SiO2(%) Al2O3(%) Fe2O3(%) TiO2(%) CaO(%) MgO(%) K2O(%) Na2O(%) L.O.L(%)
50±2 45±2 £¼0.5 £¼1.1 £¼0.3 £¼0.2 £¼0.06 £¼0.2 0.5





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