Colophony (Gum Rosin) WWGrade

Gum rosin
CAS No.: 8050-09-7
EINECS No.: 232-475-7
Packaging Detail: In galvanized iron drum About 225kg/drum.
Gum Rosin ww grade, resin

Features:
1) Natural organic compound, mainly composed of resins
2) Possesses chemical activity when dissolved in many organic solvents
3) Easily softened and oxidized
4) In the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce resinate for further use
5) 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

It is used in paper, ink, rubber, paints and varnish, various adhesives, glue, soap, synthetic resins, chewing gum and other chemical industries.

 

Obtained from crude pine gumStandard: GB/T 8145/8146-2003SpecificationsItemXWWWGNMKColorslightly yellowpale yellowyellowdeep yellowyellow brownyellow redCorrespond to the standard glass color piece of rosin Appearancetransparent solid Softening Point(ball&ring)76 o C min75 o C min74 o C min Acid No. ( mgKOH/g )166min165min164min Unsaponifiable Material5% max6%max Alcohol insoluble Material0.03%max0.04%max Ash ( % ), max0.020.030.04 Special properties  -natural organic compound, mainly composed of resinsUses  -raw material for making soap, paper, paint, and rubber  -intermediate for synthetic organic chemicalsPacking,storing and transporting  -in galvanized iron drum, 225kg net each drum  -must be kept away from heat and flame.

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