Name: Gum Rosin/Colophony
Rosin, Gum Rosin WWGrade,
CAS number: 8050-09-7
Molecular weight: 302.451
Einecs: 232-475-7
Appearance: Light yellow
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.