colophony

product: Gum Rosin
Other Names: Colophony
CAS No. 8050-09-7
Molecular formula: C20H30O2
Purity: 100%
Specification:

Item

Index
Grade
ww
Color
pale yellow
Appearance

transparent solid
Softening Point(ball&ring)

76°Cmin
Acid No.(mgKOH/g)

166min
Unsaponifiable Material
5%max
Alcohol insoluble Materical
0.03%max
Ash(%).max
0.02



summer