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【Products】Ultra white calcined kaolin(1250-mesh)
 
【Product detail】

Yuanjiang Brand - calcined kaolin 1250 mesh is through special processing aluminum silicate physical pigments and multifunctional additives, easily dispersed in water and oil system, because it can improve the storage stability of coating system, coating brushing, coating of mechanical properties such as absorption of moisture resistance and impact resistance, and can improve pigment anti-floating color and hair flower, therefore widely used in coating, paint, putty and sealant, etc.

1 the application of coating

Ju in architectural coatings, especially the emulsioni paint of calcined product as a functional additive, part can replace titanium dioxide, reduce the production cost of paint, can provide a good cover performance at the same time, adjust the gloss of coating, to improve the mechanical properties of paint film.

2 the paint filler

Kaolin in the main role in the paint filler and pigment is a substitute, because it has a good chemical inertness, high coverage, liquidity, and good suspension, color white, excellent optical performance, high oil absorption rate and pigment volume concentration, not easy ageing, wear-resisting, high covering power, is the indispensable fillers and pigments in the paint industry, it can replace white paint, paint industry especially titanium dioxide.

Specification

Item Index
Calcium carbonate content, % ≥98.5
Whiteness,  % ≥96
Water content, % ≤0.3
Silicon dioxide content, % ≤0.02
Iron content,  % ≤0.01
Hcl insolubles, % ≤0.10
pH-value 8-9
105¡ãC volatile matter, % ≤0.4
Loss on ignition,  % 43.4
Coefficient of linear expansion 9¡Á10-6
D90 particle size, μm 10.50
Mid-position particle size, μm 3.21
Cutting particle size, μm 22.4
specific surface area,  m2 4.49
True specific weight,  g/ml 2.7
Apparent density,  g/ml 1.7
Subside volume,  g/ml 18
Oil absorption,  ml/100g 20
Water absorption,  ml/100g 0.49
Dop absorption,  ml/100g 25
Hardness,  Mohs 3.0

Use:
widely used in paints, printing ink, coatings, plastic, rubber, ceramics, glass, electronics, cosmetics, pharmacy and food etc.

Packing:
25kg /bag, in woven bag lined with plastic bag, or upon client's request.






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