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Specifications

Product name: Gum Rosin (Colophony)
Chemical Formula: C20H30O2
CAS: 8050-09-7
HS CODE: 38061000
Standard:GB8145-87
Properties:
Gum rosin is a natural resin obtained by distillation from the liquid of sticky secretion. It’s a transparent and brittle solid material. Color from slight yellow to yellow red, a slight sheen in the surface. With incense resin odor. The quality of product in the process conforms to China national standard( GB8145-87).
Specification of Gum Rosin:
 

 

Gum rosin(HS code:38061000 CAS code:8050-09-7)
Name of Index
X
WW
WG
N
M
K
Color
slightly yellow
light yellow
yellow
deep yellow
yellow brown
yellow red
conforms to color requirements of rosin for standard glass
Appearance
transparent
Softening Point (R. & B.) o C Min
76
75
74
Acid Value
166
165
164
mg KOH/g Min
Unsaponifiable Matter %Max
5
5
5
Insoluble Matter in Alcohol %Max
0.03
0.03
0.04
Ash %Max
0.02
0.03
0.04
 
Application:
Used for the manufacturing of paper, paint, soap, adhesive and printing ink.
Packing: 225kg/ iron drum, 21.6 mt in 20'FCL