Gum Rosin, also known as Colophony, is a natural, solid resin obtained primarily from the oleoresin of pine trees. This versatile material is valued for its brittle, glassy texture at room temperature and its characteristic piney odor. It is widely used across numerous industries due to its excellent adhesive, binding, and film-forming properties.
Key applications for Gum Rosin include the manufacturing of adhesives and sealants, where it acts as a tackifier, and in paints and varnishes to improve gloss and adhesion.
It's also a crucial ingredient in printing inks, paper sizing agents, rubber compounding, and soldering fluxes. Its natural origin makes it an increasingly popular eco-friendly alternative to synthetic resins in many formulations. HTPPL offers consistent quality Gum Rosin suitable for diverse industrial requirements.
PRODUCT NAME | ROSIN ( GUM ROSIN ) |
---|---|
MOL. FORMULA | C15H20O6 |
MOL. WEIGHT | 296.31 |
CAS NO. | 8050-09-7 |
HSN-CODE | 2902 |
S.NO | TEST | SPECIFICATION |
---|---|---|
1 | Grade | As per client requirement |
2 | Color | Equivalent to Gardner colour values ( 3.2 ) or matching colour of corresponding permanent Lovibond US rosin colour standards |
3 | Relative Density 27°C | 1.050 to 1.090 |
4 | Acid Number, min. (mg KOH/g) | 155 |
5 | Saponification Number, min. | 160 |
6 | Softening point, °C, Min | 70 |
7 | Volatile matter, per cent by mass, Max | 2.0 |
8 | Ash content, percent by mass, Max | 0.5 |
9 | Matter insoluble in toluene, percent by mass, Max | 1.00 |
10 | Unsaponifiable mat ter, percent by mass, Max | 6.00 |
Gum Rosin, also referred to as Colophony or Greek Pitch, is a natural organic resin harvested from living pine trees and other conifers. The raw pine oleoresin is collected and then distilled to remove volatile terpene components like turpentine, leaving behind the solid Gum Rosin. Chemically, it is primarily composed of various resin acids, with abietic acid being a significant constituent, which contributes to its acidic nature and reactivity.
The widespread industrial use of Gum Rosin stems from its unique combination of properties. In the adhesives industry, it serves as an excellent tackifier, enhancing bond strength and viscosity. For paints and coatings, it acts as a binder, improving durability and gloss. Printing ink formulations utilize Gum Rosin to aid pigment dispersion and adhesion. It's also employed in the rubber industry as a softening agent, in paper manufacturing for sizing to control water absorption, and as an essential flux in soldering to ensure clean and effective metallic connections.
As industries increasingly seek sustainable materials, HTPPL's Gum Rosin provides a reliable, high-purity, and renewable resource. Its versatility extends to applications in soaps, detergents, and even specialized uses like grip enhancers for musical instruments and sports, underscoring its broad utility.
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