Natural Gum Rosin WW Grade

Gum rosin WW Grade is the transparent light yellow or transparent yellow solid. It is made from pine trees.

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.

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
  • Applications
    1. Adhesives and Sealants: Enhances adhesion and flexibility in hot-melt and pressure-sensitive adhesives.
    2. Coatings and Inks: Provides superior gloss, durability, and transparency in high-quality coatings and printing inks.
    3. Rubber Compounds: Acts as a softening agent and tackifier in rubber formulations, improving elasticity and processability.
    4. Cosmetics and Personal Care: Used in depilatory waxes and other formulations where clarity and performance are essential.

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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