Gum Rosin (sgs)

We are offering gum rosin (sgs).
Specifications
gum rosin is composed of various kinds resin acids, and having special physical and chemical properties.
General description
cas no. 8050-09-7
it is a kind of natural resin, that composed of various kinds resin acids, and having special physical and chemical properties.
main applications
it is an important raw material for the manufacture of adhesive, coating, inks, rubber, soaps, paper etc.
packaging
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
technical data sheet
parameter
grade
standard: gb8145-87
x
ww
wg
appearance
transparent
transparent
transparent
color
light yellow
pale yellow
yellow
softening point(r&b)°c
77.0
76.0
75.0
acid number(mg koh g)≥
166.0
166.0
164.0
unsaponifiable matter % ≤
5.0
5.0
5.0
ethanol insolubles % ≤
0.030
0.030
0.030
ash content % ≤
0.020
0.020
0.020