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Gum rosin

It is a kind of natural resin,mainly composed of a variety of resin acids, soluble in a variety of solvents, with unique chemical activity.lt is an important industrial raw materials for Paper, paint, ink, rubber, soap, electronics, food grade ester gum, rosin ester resins, etc.




Packing:
1. Galvanized iron drum packing, net weight 225kg/drum.
2. Compound kraft paper bags or woven bags with net weight of 25kg/bag.


 

 Specifications:

Grade

X

WW

WG

N

M

K

Color

Slightly yellow

Pale yellow

Yellow

Deep yellow

Yellow brown

Yellow red

Correspond to the Standard Piece of Rosin

Appearnce

Transparent

Softening point(R&B)℃

≥76

≥75

≥74

Acidvalue,mgkoh/g max

≥166

≥165

≥164

Unsaponifible matter%

≤5

≤5

≤16

Alcohol insoluble Subatance%

≤0.03

≤0.03

≤0.03

Ash%

≤0.02

≤0.03

≤0.04