Gum rosin

1.Specifications

Grade X WW WG N M K

Appearance Transparent Solid

Color (yellow) slightly pale yellow deep brown red

Softening Point

(R&B),°C, min 76 76 75 75 74 74

Acid Value

(mgKOH/g), min 166 166 165 165 164 164

Alcohol insoluble

Substance

(%) , max 0.03 0.03 0.03 0.03 0.04 0.04

Unsaponifiable

matter, (%) ,max 5 5 5 5 6 6

Ash, (%) ,max 0.02 0.02 0.03 0.03 0.04 0.04

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.

Note:The prices online is just for your reference,if you need to order,please contact me with Email with further negotiation for the business details