Gum Rosin WW Grade

Specifications

Natural organic compound, mainly composed of resins. Possesses chemical activity when dissolved in many organic solvents

Natural organic compound, mainly composed of resins.  Possesses chemical activity when dissolved in many organic solvents .  It is also used for the manufacturing of paper, paint, soap and printing ink.  Easily softened and oxidized.  In the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce resinate for further use . In the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin, polymerized rosin, hydrogenated rosin, for further use by its double bond reaction.

 

Specifications:

 

DESCRIPTION	STANDARD
SOFTENING POINT RING & BALL	Min 78°C
COLOUR BY LOVIBOND COMPARATOR	WW
IMPURITY / SOLUBILITY IN TOLUEN	Max 0.05%
ACID VALUE	160-190
SAPONIFICATION VALUE	170-220
IODINE VALUE	5-25
ASH CONTENT	Max 0.04%
VOLATILE OIL CONTENT	Max 2.0%