CAS No. 8050-09-7 Other Names: Gum Rosin, Colophony MF: C19H29COOH EINECS No.: 232-475-7 Type: Synthetic Fibers, Synthetic Resin and Plastics, Synthetic Rubbers, Gum Rosin Model Number: Gum Rosin Purity: 100% Appearance: Transparent Color: Pale Yellow SOFTENING POINT: 76.0 Standard: GB8145-87 Application: paper,coatings, inks,rubbers,soaps, electronic industrial,rosin ester Soft Point: 60-85℃ Melting Point: 110-135℃ spontaneous ignition point: 130℃ specific gravity: 1.05-1.10
gum rosin is important raw materials for the manufactire of Soap, Paper, Paint, Rubber, Resin, Electric and Synthetic Orgainc.
Specifications
gum rosin is important raw materials for the manufactire of Soap, Paper, Paint, Rubber, Resin, Electric and Synthetic Orgainc.
| 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 | |||
2. 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.
3. Packing:
(1) Drum: Galvanized iron drum, 225kg net each drum.
