Gum Rosin WW Grade
Gum Rosin ww grade is an important raw material widely applied in adhesive, paints,rubber industry.
CAS NO.:8050-09-7
Description
Gum Rosin ww grade
Other name :colophony ,Pine rosin
CAS NO.:8050-09-7
Gum rosin is the transparent light yellow or transparent yellow solid .It is made from pine tree
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.
Specification
| Test Items | Super Grade X | 1st Grade WW | 2nd Grade WG |
| Appearance&Color | Transparent light yellow | Transparent yellow | |
| Softening Point (R&B)℃ | ≥76 | ≥76 | ≥76 |
| Acid value.(mg KOH/g) | ≥165 | ≥165 | ≥164 |
| Unsop.matter（%） | ≤8.0 | ≤8.0 | ≤8.0 |
| Alcohol Insol.Sustance(%) | ≤0.03 | ≤0.03 | ≤0.03 |
| Ash(%) | ≤0.02 | ≤0.02 | ≤0.02 |
Application
Gum Rosin ww grade 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.
Packaging And Storage
1.Packing: 225kg/ galvanized iron drums or 25kg/bag
2. Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
3. Shelf life: One year in ventilating, cool and dry area.
1.Packing: 225kg/ galvanized iron drums
2. Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
3. Shelf life: One year in ventilating, cool and dry area.
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