Gum Rosin/Colophony

Obtained from crude pine gun

Standard:GB/T ***5/********3

Specifications

Item

X

WW

WG

N

M

Color

slight yellow

pale yellow

yellow

deep yellow

yellow brown

Correspond to the standard glass color piece of rosin

Appearance

transparent solid

Softening Point(ball&ring)

*6°Cmin

*5°Cmin

*4°Cmin

Acid No.(mgKOH/g)

**6min

**5min

**4min

Unsaponifiable Material

5%max

6%max

Alcohol insoluble Materical

0.*3%max

0.*4%max

Ash(%).max

0.*2

0.*3

0.*4

Special properties

natural organic compound,compound,mainly composed of resins

Uses

raw material for making soap,paper,paint and rubber

intermediate for synthetic organic chemicals

Packing,storing and transporting

in galvanized iron drum,**5kg net each drum

must be kept away from heat and flame.