Gum rosin
Gum rosin

CAS NO:8050-09-7

Gum rosin chemical property:


Item Superfine First grade Second grade Third grade Forth grade Fifth grade
Color Light yellow Light yellow Yellow Dark yellow Yellowish brown Yellowish red
confirm to pine color grade glass standard color requirements
Appearance Transparent liquid
Softening point ℃, not low than 76 75 74
Acid value (mgKOH/g),not less than 166 165 164
Unsaponifiable matter content(%),  not more than 5 5 5
Ethanol insolubles(%),not more than 0.03 0.03 0.04
Ash(%),not more than 0.02 0.03 0.04


Building materials industry Gum, rosin is mainly used in the building materials industry for concrete foaming agent, and floor tile adhesives.

Specification:225kg/drum,40kg/bag,grade:first,second grade.

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