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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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