SEN-TECH SILVICHEMICAL TECHNOLOGY (GUILIN) CO., LTD
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Gum rosin is an amorphous transparent glasslike, solid resin obtained after turpentine is distilled from pine resin collected from pine trees, the main chemical ingredient is of mono resin acids, and its molecular formula is C20 H30 O2.
Specifications
|
Grade |
Appearane |
Color |
Sofening(Global)℃≥ |
Acid Value a (mg/g)≥ |
Unsaponifiable b (%)≤ |
Ethanol insoluble (%)≤ |
Ash (%)≤ |
|
Premium |
Transparent Solids |
Slight Yellow |
76.0 |
166.0 |
5.0 |
0.030 |
0.020 |
|
1 |
Light yellow |
||||||
|
2 |
Yellow |
75.0 |
165.0 |
5.0 |
0.030 |
0.030 |
|
|
3 |
Dark yellow |
||||||
|
4 |
Yellow Brown |
74.0 |
164.0 |
6.0 |
0.040 |
0.040 |
|
|
5 |
Yellow Red |
Nature: Rosin is a natural organic matter, mainly composed by a variety of resin acids
Uses: Rosin is widely used in papermaking, paint, ink, rubber and resins, electrical appliances, organic synthesis and so it is important industrial raw material.
Packing: galvanized iron pail, net weight 225.0kg ± 0.5kg.
The company also recovered a large number of middle-level gum resin for production of gum resin and black rosin at grade 2 ~ 5.