Product name: Gum Rosin
Other name: ColophonyCAS: 8050-09-7Softening point: 76°C
Acid value: 160-170 mg/gColor: Light yellow

Gum rosin also called colophony,is a solid form of resin obtained from pines and some other plants,mostly conifers,produced by heating fresh liquid resin to vaporize the volatile liquid terpene components.It is semi-transparent and varies in color from yellow to black.At room temperature rosin is brittle, but it melts at stove-top temperatures.It chiefly consists of different resin acids, especially abietic acid

Standard:GB/T 8145/8146-2003
Specification:

Use:Gum rosin is an important raw material for the manufacture of adhesive,coating, inks,rubber,soaps, paper etc.

Packing:In galvanized iron drum,225kgs net each drum.