Grade	X	WW	WG	N	M	K
Appearance	transparent solid
Color	Slight  yellow	Pale  yellow	yellow	Deep  yellow	Yellow  brown	Yellow  red
Softening point (R&B), ℃	76		75		74
Acid value,  mgKOH/g	166		165		164
Alcohol insoluble substance, %	0.03		0.03		0.04
Unsponifiable  Matter, %, max	5		5		6
Ash, %	0.02		0.03		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.