| Customization: | Available |
|---|---|
| Type: | Resin Rosin |
| Grade: | First Grade |
|
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Gum Rosin is a marvelous natural resin extracted from the sap of resilient pine trees, celebrated for its environmentally friendly, non-toxic, and biodegradable nature. This exquisite light yellow to transparent solid exudes a subtle and delightful pine aroma, with a density ranging between 1.07-1.09g/cm³. It boasts a softening point of 70-85ºC and an acid value around 150-180mg KOH/g. Gum Rosin offers remarkable solubility in organic solvents such as ethanol and acetone, while remaining insoluble in water, making it a versatile choice for a multitude of applications.
| Property | Specification | Test Method/Reference |
|---|---|---|
| Basic Information | ||
| Product Name | Premium Grade Masson Pine Rosin | - |
| CAS No. | 8050-09-7 | CAS Database |
| EPA Registry | Rosin (8050-09-7) | EPA Substance Registry System |
| Physical Properties | ||
| Appearance | Dark yellow transparent solid | Visual inspection |
| Form | Solid lumps or granules | - |
| Color | Dark yellow | Visual comparison |
| Melting Point | 70-72°C | ASTM D87 |
| Density | 1.07 g/cm³ | ASTM D792 |
| Specific Gravity | 1.07-1.08 | ASTM D792 |
| Flash Point | 180°C | ASTM D93 |
| Chemical Properties | ||
| Solubility | Soluble in alcohol, benzene, ether | USP <611> |
| Water Solubility | Insoluble in water | USP <611> |
| Acid Value | ~166 mg KOH/g (typical) | ASTM D465 |
| Stability & Safety | ||
| Stability | Stable. Combustible | - |
| Incompatibilities | Oxidizing agents | - |
| Storage Temperature | Room Temperature | - |
| Exposure Limits | TWA 0.1 mg/m³ (NIOSH) | NIOSH Standards |
| Merck Index | 14,8266 | Merck Reference |
| Quality Standards | ||
| Grade | Premium Grade (First Grade) | GB/T 8145-2003 |
| Source | Pinus massoniana Lamb | - |
| Packaging | ||
| Standard Packaging | 25kg/bag (PP woven bag with PE liner) | - |
Renowned for its exceptional adhesive and insulating qualities, Gum Rosin finds extensive use across various industrial domains. In the electronics industry, it serves as a premium soldering flux material, significantly improving PCB soldering quality. In adhesive manufacturing, it is an indispensable component in producing pressure-sensitive and hot melt adhesives. For musical instrument care, professional violin rosin enhances string friction and elevates sound performance. Furthermore, its versatility extends to the pharmaceutical industry as a plaster base, in personal care products as a soap additive, and in the rubber industry enhancing elasticity.
Gum Rosin is available in a spectrum of grades, including industrial, instrument, and pharmaceutical, catering to diverse needs. It is typically packed in 25kg bags of either chunks or granules for industrial purposes. To preserve its quality, it should be stored in a cool, dry environment, away from heat, with care to keep grades separate. Utilized in well-ventilated areas, its natural eco-friendly attributes, stable chemical properties, and broad application range make Gum Rosin a fundamental raw material in industrial production.
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