Barium Sulfate
Molecular formula: BaSO4
CAS No.: 7727-43-7
Description: |
It’s a white powder, not soluble in water, slightly soluble in boiling hydrochloric acid, stable chemically, being reduced to barium sulfide when heating with carbon, without changing color when meeting with hydrogen sulfide or toxic gas in the air. |
Application: |
The product is suitable for use as filler for paint, printing ink, rubber, plastic, insulating tape, surface paint agent for photo paper and copper plate, sizing agent for textile. It also can be used in pigment, porcelain, storage battery, porcelain enamel, glass and flavor etc. |
Packing: |
25 kg / bag in paper plastic compound bag, or upon client’s request. |
Specifications for Barium Sulfate
| Items | Unit | Index |
Barium Sulphate (as drying base) |
% (m/m) |
≥ 98 |
Iron |
% (m/m) |
≤0.004 |
Sulphite |
% (m/m) |
≤0.003 |
Acetic acid |
% (m/m) |
≤ 0.6 |
Moisture |
% (m/m) |
≤ 0.2 |
Whiteness |
|
≥94 |
Oil absorption (g/100g) |
% (m/m) |
15~25 |
Sieve residue on 45um |
% (m/m) |
≤ 0.1 |
Water-soluble |
% (m/m) |
≤ 0.2 |
pH value of aqueous suspension |
|
6.5~8.0 |
Note: Actual data will be reported on Certificate of Analysis
