Gum Rosin colophony C20h30o2
Gum Rosin CAS No.: 8050-09-7
1. Gum Rosin Property
Gum rosin is the transparent light yellow or transparent yellow solid. It is a kind of natural resin, mainly composed of various kinds of resin acids; it can be dissolved easily in many organic solvents, and has special chemical activity.
2. Gum Rosin Specification
Parameter |
Grade |
||
Standard: GB8145-87 |
X |
WW |
WG |
APPEARANCE |
Transparent |
Transparent |
Transparent |
COLOR |
Light Yellow |
Pale Yellow |
Yellow |
SOFTENING POINT(R&B)°C |
77.0 |
76.0 |
75.0 |
ACID NUMBER(mg KOH / g)≥ |
166.0 |
166.0 |
164.0 |
UNSAPONIFIABLE MATTER % ≤ |
5.0 |
5.0 |
5.0 |
ETHANOL INSOLUBLES % ≤ |
0.030 |
0.030 |
0.030 |
ASH CONTENT % ≤ |
0.020 |
0.020 |
0.020 |
3.Gum Rosin Application
It is an important raw material for the production of paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.
4. Gum Rosin Packing
225kgs drum
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