Specification :

Gum Rosin
Physical property Gum Rosin is produced by advanced continuous distillation processing device with high quality oieoresin.
Application Chinese gum rosin is a kind o f natural resin. It has good solubility in a variety kind of organic solvents and special chemical activity. Chinese gum rosin is widely used in paper-making, soap, paint, ink, adhesinve, rubber, food and building industries.
Specification
Items X-grade WW-grade WG-grade N-grade
slight yellow light yellow yellow deep yellow
Colour Comform to requirements of? standard colour glass of rosin
Appearance Transparent
Softenting point (R&B method)℃≥76;75
Acid value(mg KOH/g)≥166;165
Unsaponifiable matters%≤5
Insoluble in ethanol %≤0.03
Ash%≤0.02
Packing&store The product is packed in new galvanized iron drum, net weight 225kg/drum. The product must be kept in dark and cool place indoor, away from water and fire.