Polymerized Rosin
Chemical Properties
The polymerized Rosin is made from Gum Rosin by sulfuric acid and chloride zinc process, it has characteristics of high content of dimers, high softening point, high acid value, no crystal, low content of hot-water-soluble material, easy dissolving in oil, light color changes of lead acetate paper.
Specifications
| Properties |
Target Values (Spec Limits) |
||
|
Type |
PR 90 | PR 115 | PR 140 |
|
Appearance |
Yellow Transparent Solid | ||
|
Color Gardner |
≤7 |
≤10 |
≤10 |
|
Softening Point (R&B)°C |
88-93 | 110-120 | 135-145 |
|
Acid Value, mgKOH/g |
≤165 | ≥145 | ≥140 |
|
Density (20°C, abt., g/cm³) |
1.08-1.1 | 1.08-1.1 | 1.08-1.1 |
Application
-
Mainly be used as raw material in inks, adhesives and paints.
