Place of Origin : Guangzhou,China
Post Date : 28-12-2011
Expiry Date : 31-12-2012

X , WW, WG Grade Gum Rosin Superior Stable Quality Most Reasonable Price
Gum Rosin / Colophony
MF: C19H29COOH
MW: 302.46
CAS No.: 8050-09-7,
EINECS: 232-475-7
Appearance: Light Yellow, Transparent (As Product Photos Show)
Condition: Solid
Usage: Important Raw Material Of Soap, Paper, Paint, Rubber, Organic Compounds And So On.

Specification
Specification Index
Softening Point(R&B)------>=76
Acid Value (mg KOH/g)------>=166
Insolubles In Ethanol------<=0.03%
Unsaponifiable Matter Content %------<=5%
Ash Content------<=0.02%