WW grade gum rosin
HSC: 38061010.00 WW Grade Color: Pale yellow Solid transparent nature resin Usage: Adhesives, Rubber Compounds,Ink, Painting
| Specifications | ||||||
| Gum rosin grade | color | slftenning point | Acid No. | Unsaponifiable matter | Alcohol insuluble material | Ash(%)max |
| X | slightly yellow | 76degree | 166min. | 5%max | 0.03%max | 0.02 |
| WW | pale yellow | 76degree | 166min. | 5%max | 0.03%max | 0.02 |
| WG | yellow | 75degree | 165min. | 5%max | 0.03%max | 0.03 |
| N | deep yellow | 75degree | 165min. | 5%max | 0.03%max | 0.03 |
| M | yellow brown | 74degree | 164min. | 6%max. | 0.04%max | 0.04 |
| K | yellow red | 74degree | 164min. | 6%max. | 0.04%max | 0.04 |
The tree type:
1.Pinus massoniana lamb
2. Pinus elliottii
WW grade gum rosin
