Gum Rosin Ww Grad

CAS No.:8050-09-7

application:

Suitable for paper making, coating, printing ink, rubber, soap, electronics, edible ester gum, rosin ester resin and other important industrial raw materials.

Features:

Rosin is obtained by cutting resin juice directly from the trunk of pine trees.A 13cm cut was made in the trunk of the grown pine tree to collect the colorless and fragrant viscous liquid that flowed from the tree. The liquid was distilled by steam vacuum. The distillate was turpentine, and the residue in the kettle was rosin.Rosin is characterized by light color, high acid value, high softening point, used for making washing soap, metal soap, varnish, ink, welding materials, insulating materials.

product standard:

Appearance and Odor: Transparent Solid, Odorless when cold.
Color: Light yellow
Solubility: Insoluble in water, but slightly dissolved in acetone, soluble in ethanol.
Softening point(R.&B.): â?¥76
Acid value mgKOH/g: â?¥166
Non-saponification content: â?¦5%
Impurity content: â?¦0.03%
Ash content: â?¦0.02%

Packing:

(1) barrel: galvanized iron drum, net weight 225 kg/barrel;
(2) bag: plastic woven bag or kraft paper bag, net weight: 25kg/bag.

Storage:

Appropriate storage shade, avoid high temperature, not near the fire.