gum rosin ww grade

Brief Description
CAS No.: 8050-09-7 Other Names: pine rosin MF: C20H30O2
Place of Origin: Guangxi China (Mainland) Grade Standard: Industrial Grade Purity: 100%
Model Number: ww  
Delivery Terms & Packaging
Packaging Detail:Drum: Galvanized iron drum, 225kg net each drum.
Delivery Detail:within 15 days
Specifications
gum rosin ww grade

used for making soap, paper, paint, and rubber as well as synthetic organic chemicals.

GradeXWWWGNMK
AppearanceTransparent Solid
Colorslightly
yellow
pale
yellow
yellowdeep
yellow
yellow
brown
yellow
red
Correspond to the Standard Glass Color Piece of Rosin
Softening Point
(R&B),°C, min
767574
Acid Value,
(mgKOH/g), min
166165164
Alcohol insoluble
Substance ,(%) , max
0.030.030.04
Unsaponifiable
matter, (%) ,max
556
Ash, (%) ,max0.020.030.04

2. Properties and uses:

It is a kind of natural resin, mainly composed of various kinds of resin acids, it can be dissolved easily in many organic solvents, and has special chemical activity. So it is an important raw material for the production of paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.

3. Packing:

(1) Drum: Galvanized iron drum, 225kg net each drum.

(2) Bag: Intertexture or kraft paper bag, 25kg net each bag.

4. Technical specification:

The above technical specification (GB 8145-87) is the national standard of People's Republic of China. If there are changes, the latest specification will be executed and assured by contract.