Gum rosin from natural resin pale yellow.without any impurities
GUM ROSIN
INTRODUCTION:
Gum rosin also called colophony, is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components.
USED:
Gum rosin is an important raw material which used in manufacture of adhesive, coating, inks, rubber, soaps, paper etc.
PACKAGE:
in galvanized iron drum/225kg
specifications
NAME | GUM ROSIN WW GRADE | |
CHEMICAL FORMULA | C20H3OO2 | |
APPEARANCE | Transparent | |
COLOR | PALE Yellow | |
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ANALYSIS RESULT | ||
ITEM | STANDARD | RESULT |
SOFTENING POINT(R B)CD | 76.0 | 77.0 |
ACID NUMBER(mg KOH/g) | 166.0 | 167.5 |
UNSAPONIFIABLE MATTER % less than | 5.0 | 1.1 |
ALCOHOL INSOLUBLE SUBSTANCE % less than | 0.030 | 0.01 |
ASH CONTENT % less than | 0.03 | 0.01 |
pls contact our sales department:
MOBILE: 86-136 0287 1707SKYPE: friendo.tony=========================FRIENDO INDUSTRIAL LIMITEDTEL: 86-20-8256 2835FAX: 86-20-8255 2160Website: www.friendochem.comGum Rosin WW
