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Chinese Gum Rosin 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.
Grades | 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 | 76 min | 75 min | 74 min | 76 min | 75 min | 74 min |
Acid Value(mgKOH/g) | 166 min | 165 min | 164 min | 166 min | 165 min | 164 min |
Alcohol insoluble Substance(%) | 0.03 max | 0.03 max | 0.04 max | 0.03 max | 0.03 max | 0.04 max |
Unsaponifiable matter(%) | 5 max | 5 max | 6 max | 5 max | 5 max | 6 max |
Ash (%) | 0.02 max | 0.03 max | 0.04 max | 0.02 max | 0.03 max | 0.04 max |
CLASSIFICATION | |
CAS NO. | 8050-09-7 |
H.S.CODE | 38069000.90 |
PACKING |
25Kg bag |
Or according customers request. |
STORAGE |
Store in cool, dry condition and keep away from direct heat and sunlight. When not using the material, ensure that the packings are sealed. |
SHELF LIFE |
At least 12 months when stored in sealed packing under above mentioned condition. |
SUPPLY |
20ft container = 16Mt |
Chinese Gum Rosin