Sell gum rosin

详情

properties:
Gum rosin is a natural resin obtained by distillation from the liquid of sticky secretion. It's a transparent and brittle solid material. Colar from slight yellow to yellow red, a slight sheen in the surface. With incense resin odor.Product propertiesThe quality of product in the process conforms to China national standard(GBB*****7)

Specification: Item Technical indicators color Pale yellow Appearance Transparent solid Softening point *6 Unsaponifiable material  5% max Alcohol insoluble material 0.*3% max Acid value **6 mgKOH/g min Ash 0.*2% max