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澳洲幸运5玩法说明

澳洲幸运5玩法说明

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Special-use barium sulfate

澳洲幸运5玩法说明 www.pnnqyh.com.cn Yuejiang Brand- specially made barium sulfate is produced in advanced production techniques, specially modified, excellent performance, high whiteness and even and narrow distribution of particle size, good dispersibility, super-fine; can absorb X-ray, and endow the materials with high density and surface finish, therefore widely used in paints, printing ink, coatings, plastics, rubber, chips, friction plate, ceramics, glass, electronics, cosmetics, pharmacy and food etc.

 

1. Main properties and features

 

Chemical substances Barium sulphate (BaSO4)/ specially made
Appearance white powder
Packing 25kg woven bag/ kraft paper bag, 1000kg sack
Main features adopt advanced production techniques, specially modified, excellent performance, high whiteness and even and narrow distribution of particle size, good dispersibility, super-fine, super clean etc.
Range of application can absorb X-ray, and endow the materials with high density and surface finish, therefore widely used in paints, printing ink, coatings, plastics, rubber, chips, friction plate, ceramics, glass, electronics, cosmetics, pharmacy and food etc.

 

2. Quality Index

 

NO. Item Unit Index
Best Quality First Quality
1 Barium sulphate content % ≥98 ≥97
2 Dispersibility % ≤ 15um ≤20um
3 Water solubles content % ≤0.3 ≤0.5
4 Water content % ≤0.15 ≤0.15
5 pH-value of aqueous suspension   6.5-8.0 6.5¡«9.0
6 Oil absorption(depend on different fineness) % g/100g 15-25 15-25
7 fineness (30um)Residue on sieve % ≤0.05 ≤0.1
8 Whiteness % 92-95 90-93
9 Specific weight   4.0-4.5 4.0-4.5
fineness: 325-mesh, 400-mesh, 600-mesh, 800-mesh, 1250-mesh, 2000-mesh, 3000-mesh, 6000-mesh ,8000-mesh, 12500-mesh, 15000-mesh (Fineness can be custom-made upon client's request)