Introduction:
Glycerol ester of gum rosin is from the esterification of Glycerol with gum rosin, and Glycero ester of hydrogenated rosin are from hydrogenated rosin or water white hydrogenated rosin through esterification with glycerol.
Major applications:
- Coating
- Hot melt adhesives
- Pressure sensitive adhesives
Specifications:
| Item | Glycerol Ester of Gum Rosin | Glycerol ester of H-Gum | |||
| Item | GEG-85L | GEG-85 | GEG-85sp | GEHG-85R | GEHG-85 |
| Solubility
(toluene:gyum:1;1) |
Clear | Clear | Clear | Clear | Clear |
| Color(Fe-Co scale) | 1~2 | 3~5 | 6~8 | 3~4 | 4~6 |
| Acid value, mgKOH/g, max | 9 | 9 | 9 | 9 | 9 |
| Softening point(B&R) | 85C min | 85c min | 85c min | 85C min | 85C min |
| Specific gravity25c | 1.06~1.09 | 1.06~1.09 | 1.06~1.09 | 1.06~1.09 | 1.06~1.09 |
