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| Gum Rosin | ||
| Steam method, Pinus massoniana | ||
| Grade | X | WW |
| Colour | slightly yellow | pale yellow |
| Correspond to the standard glass color piece of rosin | ||
| Appearance | transparent | |
| Softening Point (ball & ring) | 76°C min | |
| Acid Value(mgKOH/g) | 166 min | |
| Unsaponifiable Material | 5% max | |
| Alcohol Insoluble Material | 0.03% max | |
| Ash(%), max | 0.02 | |
Special properties-natural organic compound,mainly composed of resinsUses-raw material for making soap,paper,paint,and rubber -intermediate for synthetic organic chemicalsPacking, storing and transporting -in galvanized iron drum, 225 kgs or 230kgs net each drum-must be kept away from heat and flame.
Gum Rosin X grade ww grade