Gum Rosin

Detailed Product Description: Gum Rosin product detail
Gum Rosin
Qingdao Yuanrun Chemical Co.Ltd specialize in manufacturing kinds of Gum Rosin.
We are providing Gum Rosin in good quality and competitive price.
Product Name : Gum Rosin
Other name: WW Grade Gum Rosin, Colophony, Ester Gum Rosin, Natural Gum Rosin.
Product Description:
Natural gum resin with special physical and chemical properties, composed of
several kinds of resin acids.
Appearance: Slight Yellow
CAS No.: 8050-09-7
Place of Origin: Shandong, China.
Grade Standard: Industrial Grade.
SGS and C/O Certificate
Brand Name: TIANRUN.
Detailed Product Description:

Obtained from crude pine gun
Standard:GB/T 8145/8146-2003
Specifications
Item X WW WG N M
Color slight yellow pale yellow yellow deep yellow yellow brown
Correspond to the standard glass color piece of rosin
Appearance transparent solid
Softening Point(ball&ring) 76℃min 75℃min 74℃min
Acid No.(mgKOH/g) 166min 165min 164min
Unsaponifiable Material 5%max 6%max
Alcohol insoluble Material 0.03%max 0.04%max
Ash(%).max 0.02 0.03 0.04

Special properties
natural organic compound,compound,mainly composed of resins
Uses
raw material for making soap,paper,paint and rubber
intermediate for synthetic organic chemicals
Packing,storing and transporting
in galvanized iron drum,225kg net each drum
must be kept away from heat and flame.