Product name: Gum rosin

CAS No. 8050-09-7

Appearance: Light yellow transparent solid

Grade: X Grade, WW Grade, WG grade

Purity: 99.9%

Packing: 225kg/drum 21.6mt in one 20/FCL; 25kg/bag 25mt in one 20/FCL




Specification:



Grade: X and WW

Color---------------------------------------- Light Yellow

Appearance--------------------------------Transparent Solid

Softening point min-----------------------77

Acid Number (mgKOH/g) min------------166

Unsaponifiable matter max ---------------5%

Ethanol insoluble matter max-------------0.03%

Ash max------------------------------------0.02%



Grade: WG and N

Color---------------------------------------- Yellow

Appearance--------------------------------Transparent Solid

Softening point min------------------------75

Acid Number (mgKOH/g) min-------------165

Unsaponifiable matter max --------------5%

Ethanol insoluble matter max------------0.03%

Ash max------------------------------------0.03%



Grade: M and K

Color--------------------------------------- Dark Yellow

Appearance-------------------------------Transparent Solid

Softening point min----------------------74

Acid Number (mgKOH/g) min-----------164

Unsaponifiable matter max -------------6%

Ethanol insoluble matter max ----------0.04%

Ash max-----------------------------------0.04%



Application:

1) Can be dissolved easily in many organic solvents.

2) Has special chemical activity.

3) An important raw material for the production of paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, and rosin ester resins.

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