Precipitated barium sulfate
Item |
First Grade |
Second Grade |
Pasted Grade |
APPERANCE |
Amorphous White Powder |
White |
|
BaSO4(as dry BaSO4 min%) |
98.0 |
97.0 |
98.0 |
pH |
6.5-8.0 |
6.5-8.0 |
6.5-7.5 |
Water Soluble Matter(max%) |
0.20 |
0.30 |
0.20 |
Acid-Soluble Material (max%) |
0.60 |
1.00 |
0.60 |
Fe (max%) |
0.004 |
0.006 |
0.004 |
S (max%) |
0.003 |
0.005 |
0.003 |
Moisture (max%) |
0.20 |
0.20 |
28.0 |
Oil Absorption (max%) |
15-25 |
15-25 |
- |
Particle Size Distribution 10um (min%) |
80.0 |
- |
90.0 |
Particle Size Distribution 5um (min%) |
60.0 |
- |
70.0 |
Particle Size Distribution 2um (min%) |
25.0 |
- |
50.0 |
Fineness (43um residue on sieve max% ) |
0.10 |
0.30 |
0.10 |
Whiteness( min%) |
Standard |
Standard |
Standard |
Molecular Formula：BasO4
Molecular Weight: 233.39
Properties: White crystalline solid. Melting point: 1580 degree Celsium. Relative density: 4.50 (at 15 degree Celsium )
Application: Used as raw material or fillers of paint, printing ink, plastics, cosmetics and battery, surface coating agent of photographic paper and coated art paper, texitile sizing agent. And it can be used as glass refining agent to eliminate bubbles and increase gloss: As well as protective wall covering for anti-radiation. It also can be used in the trades of pottery and porcelain, enamel, spices and pigment, ect. It is also the raw material for producing other barium salts.
Package: 25kg plastic woven bag with plastic lining
