Metallic Soaps of Stearic Acid
1, Zinc Stearate
Standard : HG/T3667-2000, Technical index :
Item |
Index |
First grade |
Qualified product |
Appearance |
white powder |
Zn, % |
10.3 ~ 11.3 |
10.0 ~ 11.5 |
Free Fatty acid (as Stearic acid), % ≤ |
1.0 |
1.5 |
Loss on heat, % ≤ |
1.0 |
1.5 |
Melting point , °C |
120 ± 5 |
120 ± 5 |
Fineness on 0.075mm test sieve, % ≥ |
99.5 |
95.0 |
2, Lead Stearate
Standard : HG2337-1992, Technical index :
Item |
Index |
First grade |
Qualified product |
Appearance |
white powder |
Pb, % |
27.5 ± 1.0 |
27.5 ± 1.5 |
Free acid(as Stearic acid), % ≤ |
1.0 |
1.5 |
Loss on heat, % ≤ |
1.0 |
1.7 |
Melting point , °C |
100 ~ 110 |
98 ~ 110 |
Fineness on 0.075mm test sieve, % ≥ |
98.0 |
95.0 |
3, Barium Stearate
Standard : HG2338-1992, Technical index :
Item |
Index |
First grade |
Qualified product |
Appearance |
white powder |
Ba, % |
20.0 ± 0.7 |
20.0 ± 1.5 |
Free acid(as Stearic acid), % ≤ |
0.8 |
1.0 |
Loss on heat, % ≤ |
0.5 |
1.0 |
Melting point , °C |
205 |
200 |
Fineness on 0.075mm test sieve, % ≥ |
99.5 |
99.0 |
4, Calcium Stearate
Standard : HG/T2424-1993, Technical index :
Item |
Index |
First grade |
Qualified product |
Appearance |
white powder |
Ca, % |
6.5 ± 0.6 |
6.5 ± 0.7 |
Free acid(as Stearic acid), % ≤ |
0.5 |
Loss on heat, % ≤ |
3.0 |
Melting point , °C ≥ |
140 |
125 |
Fineness on 0.075mm test sieve, % ≥ |
99.0 |
|
