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Products
Black rosin
It is softening and viscosIty adding in reclaimed rubber, and contains large amount of resin acids and small amount of fatty acid. It has high activIty.
QualIty index:
Item |
A |
B |
Appearance |
black and lustrous solid |
black and lustrous solid |
Softening point(Ring-and-ball method) °C≥ |
73 |
68 |
Acid number (mgKOH/g) ≥ |
135 |
130 |
Mechanical impurIties, % ≤ |
0.5 |
1 |
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