Product Main

Specifications

Gum Rosin WW Grade
Specification: 
Softening Point: 76 Deg.C min. 
Insoluble Matter in Alcohol: 0.03% max. 
Non Saponifiable Matter: 5% max. 
Acid Value(MgKOH/G): 166 min. 
Ash: 0.02% max.
Use: 
1) Can be dissolved easily in many organic solvents.
2) Has special chemical activity.
3) An important raw material for the production of paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, and rosin ester resins.
Packing: Galvanized iron drum, 225kg net each drum.
 
 
 
 
Obtained from crude pine gum
  
Standard: GB/T 8145/8146-2003
  
Specifications
  
Item
X
WW
WG
N
M
K
  
Color
slightly yellow
pale yellow
yellow
deep yellow
yellow brown
yellow red
  
 
Correspond to the standard glass color piece of rosin
  
 Appearance
transparent solid
  
 Softening Point(ball&ring)
76oC min
75oC min
74oC min
  
 Acid No. ( mgKOH/g )
166min
165min
164min
  
 Unsaponifiable Material
5% max
6%max
  
 Alcohol insoluble Material
0.03%max
0.04%max
  
 Ash ( % ), max
0.02
0.03
0.04
  
 
  
Special properties
  
  -natural organic 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, 225kg net each drum
  
  -must be kept away from heat and flame.