|
|
 Calcium stearate
| Technical index: |
|
Item
|
Index
|
Standard
|
|
Best quality
|
First quality
|
Qualifier
|
|
Calcium content %
|
6.5±0.5
|
6.5±0.5
|
6.5±0.7
|
HG/T 2424-93
|
|
Free acid% ≤
|
0.5
|
|
Heating loss % ≤
|
2.0
|
3.0
|
|
Finess % ≥
|
99.5
|
99.0
|
|
M.P. , °C
|
149-155
|
≥140
|
≥125
|
|
Bulk density g/cm3 ≤
|
0.2
|
/
|
/
|
|
| Property: |
| White and light powder, insoluble in water, slightly soluble in hot ehtanol, can absorb moisture in the air. |
| Use: |
(1)As non-toxic stabilizer and lubricant of PVC, can be used in PVC transparent products.
(2)As halogen absorber of polypropylene and polyethylene. |
| Packing & storage: |
| In woven bag lined with polyethylene plastic, 10kg/bag or 12kg/bag, stored in cool, airy and dry place; avoid solarization and water; avoid contact with acids and alkalis. |
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