Product List  
GUM ROSIN
Product  Capability/Uses: Rosin is a kind of natural resin, a mixture with various
organic acid,and with special chemical activity, an important chemical raw material for paper-making,soap,ink,paint,rubber,symthetic
resin,electric insulating material,organic synthesis,etc.
Product Quality: Rosin is classified into extra,1st,2nd,3rd,4th class,each index'is shown as following
    
National std,GB8145--2003
Name of index Extra class 1st   class  2st    class  3st   class
Appearance transparent
Color slignt yellow light yellow yellow deep  yellow
conform to color requirements of std glass for rosin
Softening point (R.&B.) 76 75
Acid value(mg/g) 166 165
Non saponification content 5% 5%
Impurity content 0.03% 0.03%
Ash content 0.02% 0.03%

Packing
Net wt 230kgs,the packing barrel is made of iron sheet electroplated with zinc.Keep in a cool place.

 
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