Gum rosin is an amorphous transparent solid resin widely used in soap making, paper making, coatings etc.
Technical index
| Index/Grade | X | WW | WG | N | M | K |
| Color | yellowish | light yellow | yellow | deep yellow | yellow brown | yellowish red |
| Conform to Color Requirements of STD Glass for Rosin | ||||||
| Appearance | transparent solid | |||||
| Softening point(ring-and-ball apparatus)°C≥ | 76 | 75 | 74 | |||
| Acid number mgKOH/g≥ | 166 | 165 | 164 | |||
| Content of non-saponifiable matter%≤ | 5 | 5 | 6 | |||
| Content of ethanol insolubles %≤ | 0.03 | 0.03 | 0.04 | |||
| Ash content %≤ | 0.02 | 0.03 | 0.04 | |||
Packing: In galvanized iron drum, net weight 230±0.5kg.