gum rosin ww grade

gum rosin ww grade
1.Factory direct
2.Competitive price& quality
3.prompt delivery
4.ISO & SGS certificate

gum rosin ww grade

Appearance: Light Yellow
Synonyms: Colophony; Pine rosin
CAS No.: 8050-09-7
Physical and Chemical Property: Transparent Solid
Packed in 225KG/Galvanized Iron Drum;
20'FCL = 96Drums = 21.6MT Non-Palletized

Property: Gum rosin is made of natural resin, its general formula is C20H30020, also is an important raw material for the manufacture of adhesive, coating, inks, rubber, soaps, paper etc.


Parameter
Grade
Standard: GB/T8145-8146-2003
X
WW
WG
APPEARANCE
Transparent
Transparent
Transparent
COLOR
Light Yellow
Pale Yellow
Yellow
SOFTENING POINT(R&B)°C
76.0
76.0
75.0
ACID NUMBER(mg KOH / g)≥
166.0
166.0
165.0
UNSAPONIFIABLE MATTER % ≤
5.0
5.0
5.0
ETHANOL INSOLUBLES % ≤
0.030
0.030
0.030
ASH CONTENT % ≤
0.020
0.020
0.030


Usage:
It can be widely used in adhesives,paints,oil paints,rubber,soaps and paper making industries,etc.

Packing:
In galvanized iron drum, 225kgs net each drum
In kraft paper bag without liner, 25kgs net each bag
In polypropylene woven bag, 25kgs net each bag