Gum Rosin N Grade
CAS No.: 8050-09-7 | Other Names: Colophony | MF: C20H30O2 |
EINECS No.: 232-475-7 | Place of Origin: Hebei China (Mainland) | Type: Synthetic Resin and Plastics, Synthetic R... |
Brand Name: FLHG | Model Number: N Grade | Purity: 100% |
color: deep yellow | appearance: transparent solid |
Packaging Detail: | 225kg galvanized iron drum |
Delivery Detail: | within 15days after receipt of deposit |
Gum Rosin N Grade
a, Used for the manufacturing of paper, paint, soap and printing ink
b, Easily softened and oxidized
Gum Rosin N Grade
1. Properties and uses:
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. 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.
2. Specification
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 |
3. 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.
4. Possesses chemical activity when dissolved in many organic solvents
5. In the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin, polymerized rosin, hydrogenated rosin, for further use by its double bond reaction