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Specifications
Barium sulfate
CAS No. 7727-43-7
Appearance: White powder
Application: Can absorb X-ray, and endow the materials
Features:
1. Ultra-fine particles, narrow particle size distribution.
2. Used for batteries, high purity and low impurities.
Features:
1. Advanced technology, ultra-fine particles, narrow particle size distribution.
2. High decentralize, difficult to gather into groups, to ensure uniform lead paste.
3. Inhibiting negative plate passivation, Improve charge acceptance performance, and extend battery life.
4. Used for batteries, high purity and low impurities.
Appearance:
White ultra-fine powder.
Add quantity:
In accordance with the weight of lead oxides to add 0.5% to 1.2%.
Packing:
The outer packing is kraft compound bag, inner packing is plastic bag, net weight of 25kg per bag. Special package can also be made as per the requirement of clients.
| Indexes |
Excellent |
First grade |
Qualified |
|
| pre-cipitated barium sulfate content % ≥ |
98.0 |
97.0 |
95.0 |
| Volatile matter(105°C) % ≤ |
0.3 |
0.3 |
0.5 |
| Water-insoluble content%≤ |
0.3 |
0.3 |
0.5 |
| Fe content %≤ |
0.004 |
0.006 |
- |
| PH(100g/Lsuspension) |
6.5-9.0 |
5.5-9.0 |
5.5-9.5 |
| whiteness |
94 |
92 |
88 |
| 5um%≥ |
60 |
65 |
70 |
| 2um%≥ |
25 |
40 |
50 |
Powder size distribution 10um % ≥ |
80 |
85 |
90 |
Fineness (43umresidue on sieve) %≤ |
0.1 |
0.2 |
0.5 |
oil absorption g/100g |
15-30 |
10-3010 |
|
|
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