The product is made from crude gum。
1、Specification:
| Items |
X |
WW |
WG |
N |
M |
K |
| Color |
Slight yellow |
Pale yellow |
yellow |
Dark yellow |
Yellow brown |
Yellow red |
|
Correspond to the Standard Glass Color Piece of Rosin |
|
Appearance |
Transparent solid |
|
Softening point（R&B），°C |
≥ 76 |
≥ 75 |
≥ 74 |
|
Acid Value，mg KOH/g |
≥ 166 |
≥ 165 |
≥ 164 |
|
Unsaponifiable matter,% |
≤ 5 |
≤ 5 |
≤ 6 |
|
Ethanol insoluble substance，% |
≤ 0.03 |
≤ 0.03 |
≤ 0.04 |
|
Ash，% |
≤ 0.02 |
≤ 0.03 |
≤ 0.04 |
2、Property and Usage:
The product is a natural resin; it mainly composed of resin acids, and easily dissolves in many organic solvents. It’s an important raw material for paper-making, paint, ink, rubber, soap, adhesive, food grade ester etc.
3、Packing:
a)Be packed in galvanized iron drum of about 225kg net each.
b)Be packed in woven or kraft bag of 25Kg net each |
