Super-fine calcined kaolin（3000-mesh）--上海緣江化工有限公司

Products: Titanium dioxide
Rutile Type Titanium Dioxide Anatase Type Titanium Dioxide; Zinc oxide series; Barium sulfate series; Lithopone series; White carbon black series; Kaolin series; Alumina series; Aluminum hydroxide series; Manganese carbonate series; Talc powder series; Calcium carbonate series; Vaseline series; Magnesium series; DiantiMony trioxide series

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【Products】Super-fine calcined kaolin（3000-mesh）

【Product detail】

Yuanjiang Brand - ultra-fine calcined kaolin 3000 mesh are widely used in papermaking industry, there are two main areas, one is used as a filler in papermaking process, 2 it is used as a pigment in the surface coating process.As a pigment, kaolin can not only give good covering properties and coated paper burnish performance, also can increase the paper whiteness, opacity, smoothness, and printing eligibility, greatly improve the quality of the paper.

Kaolin filler can take the place of some more expensive materials, effectively reduce the production cost at the same time, the guarantee does not affect the final product properties.For general cultural paper, packing volume accounts for 10-20% of paper weight.For coated paper and cardboard (mainly include lightweight coated paper, coated paper and coated paper board), in addition to the need to packing, you also need to paint, fillers with kaolin proportion for paper weight of 20-35%.

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
NO.	Item	Unit	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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