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Basofor |
| Product
name: Basofor |
| CAS
RN.: 7727-43-7 |
| Molecular
formula: BaSO4 Molecular
weight: 233.40 |
| Property: amorphous
white powder,
soluble in
oleum or melted
alkalis, slightly
soluble in
boiling Hcl,
almost insoluble
in water;
chemically
stable. |
| Use: As
filling material
of paints,
printing ink,
rubbers, plastics
etc., as surface
coating agent
of photographic
paper and
copperplate
paper, sizing
agent of textitles
etc. |
Basofor
quality standard
National standard
(GB2899-1996)
Item |
Index |
Best
quality |
First
quality |
Cream
like |
Barium
sulfate
(dry
basis)
% = |
98.0 |
97.0 |
98.0 |
PH
value |
6.5-9.0 |
5.5-9.5 |
6.5-9.0 |
Water
solubles
% = |
0.30 |
0.30 |
0.20 |
105 volatiles
% = |
0.30 |
0.30 |
28.0 |
Fe
% = |
0.004 |
0.006 |
0.004 |
Oil
absorption
% |
15-30 |
10-30 |
/ |
Whiteness |
94 |
92 |
94 |
Fineness(45um
residue
on
sieve)
% = |
0.20 |
0.20 |
0.10 |
Particle
diameter
distribution |
Less
than
10um
% = |
80.0 |
/ |
90.0 |
Less
than
5um
% = |
60.0 |
/ |
70.0 |
Less
than
2um
% = |
25.0 |
/ |
50.0 |
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Copyright(C)2006,Guizhou
Tianquan Chemical
Industry Co.,
Ltd.
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