Gum Rosin

Post Date:
Feb 16,2013
Expiry Date:
Aug 15,2013
Detailed Description:
Cas No. :8050-09-7 Product Name:Gum Rosin
Gum rosin is a kind of natural resin, that composed of various kinds resin acids, and having special physical and chemical properties. It is an important raw material for the manufacture of adhesive, coating, inks, rubber, soaps, paper etc.

Parameter Grade
Standard: GB8145-87 WW
APPEARANCE Transparent
PROPORTION 1.070～1.085
HEAT OF SOLUTION 15.8kcal/kg
HEAT CAPACITY 0.54kcal/kg·℃
SOFTENING POINT 70～90℃
COLOR Pale Yellow
SOFTENING POINT(Ball And Ring Method Celsius) ≥ 76.0
ACID NUMBER (mg KOH / g)≥ 166.0
UNSAPONIFIABLE MATTER % ≤ 5
ETHABOL INSOLUBLES % ≤ 0.03
ASH CONTENT % ≤ 0.02
Gum Rosin is an import chemica and it mainly used in Soap industry,Paper Industry,Paint and coatings industry,Ink industry,Adhesives,Rubber Industry,food industrial,Electric Industry and so on.
CAS Registry Number:
8050-09-7
Synonyms:
;Disproportionated rosin;Colophony;Pine rosin;Rosin;Rosin Solder Flux Fume;Wood rosin;(4aR)-7-isopropyl-1,4a-dimethyl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid;
Molecular Formula:
C₂₀H₃₀O₂
Molecular Weight:
302.451
Molecular Structure:

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