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Product name: Gum rosin
Other name: Colophony
Color: Pale yellow
Appearance: Transparent solid
| Softening Point(ball&ring) | 760C min |
| Unsaponifiable Material | 5% max |
| Alcohol Insoluble Material | 0.03% max |
| Acid Value mgKoh/g | 166 min |
| Ash | 0.02% max |
Useage: Soap industry ,paper industry, paint coating industry, printing ink industry ,adhesives industry ,rubber industrial, food industry ,electrical industrial ,flux Chinese herbal medicine, building materials industry (bond)
Gum rosin
