Natural Gum Rosin WW Grade ( Colophony Pine Rosin)
Gum Rosin ww grade Product Similar Name
Colophony, Pine rosin, Pinus Masoniana Rosin, Pinus Elliottii,natural pine rosin,Colophony Pine Rosin
Chemical Properties
Gum rosin WW 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.
Gum rosin also called colophony ,It is semi-transparent and varies in color from yellow to black.Gum Rosin WW Grade is a high-quality, natural resin derived from pine trees, known for its exceptional purity, transparency, and consistency. This grade is specifically processed to achieve a superior level of clarity and reduced impurities, making it ideal for applications where appearance and performance are critical
Specifications
Test Items | 1st Grade WW |
Appearance & Color | Transparent light yellow |
Softening Point (R&B) ℃ | ≥76 |
Acid value. (Mg KOH/g) | ≥165 |
Un sop. matter(%) | ≤8.0 |
Alcohol Insol. Substance (%) | ≤0.03 |
Ash (%) | ≤0.02 |
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Applications
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Adhesives and Sealants: Enhances adhesion and flexibility in hot-melt and pressure-sensitive adhesives.
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Coatings and Inks: Provides superior gloss, durability, and transparency in high-quality coatings and printing inks.
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Rubber Compounds: Acts as a softening agent and tackifier in rubber formulations, improving elasticity and processability.
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Cosmetics and Personal Care: Used in depilatory waxes and other formulations where clarity and performance are essential.
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Packaging And Transportation
1.Packing: 225kg/ galvanized iron drums as normal package or 25kg/bag as customized package
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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