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| Obtained from crude pine gum | ||||||
| Standard: GB/T 8145/8146-2011 | ||||||
| Specifications | ||||||
Item | X | WW | WG | N | M | K |
Color | slightly yellow | pale yellow | yellow | deep yellow | yellow brown | yellow red |
Correspond to the standard glass color piece of rosin | ||||||
Appearance | transparent solid | |||||
Softening Point(ball&ring) | 76oC min | 75oC min | 74oC min | |||
Acid No. ( mgKOH/g ) | 166min | 165min | 164min | |||
Unsaponifiable Material | 5% max | 6%max | ||||
Alcohol insoluble Material | 0.03%max | 0.04%max | ||||
Ash ( % ), max | 0.02 | 0.03 | 0.04 | |||
| Special properties | ||||||
| -natural organic compound, mainly composed of resins | ||||||
| Uses | ||||||
| -raw material for making soap, paper, paint, and rubber | ||||||
| -intermediate for synthetic organic chemicals | ||||||
| Packing,storing and transporting | ||||||
| -in galvanized iron drum, 225/250kg net each drum | ||||||
GUM ROSIN