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Specifications
1. a kind of natural resin, mainly composed of various kinds of resin acids2.dissolved easily in many organic solvent
- Specifications
| Gum Rosin | ||||||
| Grade | X | WW | WG | N |
M |
K |
| Appearance | Transparent Solid | |||||
| Color | slightly yellow | pale yellow | yellow | deep yellow | yellow brown | yellow red |
| Correspond to the Standard Glass Color Piece of Rosin | ||||||
| Softening Point (R&B),°C, min | 76 | 75 | 74 | |||
| Acid Value, (mgKOH/g), min |
166 | 165 | 164 | |||
| Alcohol insoluble Substance ,(%) , max |
0.03 | 0.03 | 0.04 | |||
| Unsaponifiable matter, (%) ,max |
5 | 5 | 6 | |||
| Ash, (%) ,max | 0.02 | 0.03 | 0.04 | |||
Correspond to the Standard Glass Color Piece of Rosin
2. Properties and uses:
It is a kind of natural resin, mainly composed of various kinds of resin acids, and dissolved easily in many organic solvents, and has special chemical activity. So 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.
3. Packing:
(1) Drum: Galvanized iron drum, 225kg net each drum.
(2) Bag: Intertexture or kraft paper bag, 25kg net each bag.
4. Technical specification:
The above technical specification (GB 8145-87) is the national standard of People's Republic of China. If there are changes, the latest specification will be executed and assured by contract.
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