| Customization: | Available |
|---|---|
| Type: | Resin Rosin |
| Grade: | First Grade |
|
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Gum rosin, an exquisite natural resin derived from the sap of pine trees, stands out for its exceptional eco-friendly, non-toxic, and biodegradable attributes. This light yellow to crystalline solid, graced with a subtle pine fragrance, boasts a density of 1.07-1.09 g/cm³ and a softening point of 70-85ºC. Heralded for its impressive acid value of approximately 150-180mg KOH/g, it offers superb solubility in organic solvents such as ethanol and acetone, while remaining insoluble in water.
| 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 superior adhesive and insulating capabilities, gum rosin is indispensable across a myriad of industrial domains. In electronics, it elevates PCB soldering quality as a top-tier soldering flux. It plays a pivotal role in crafting pressure-sensitive and hot melt adhesives within the adhesive industry. For musical aficionados, professional violin rosin enhances string friction and elevates tonal quality. The pharmaceutical sector benefits from its use as a plaster base, while personal care formulations incorporate it as a soap enhancer. In the rubber industry, it serves as a vital elastic enhancer, showcasing its versatility.
Gum rosin, offered in diverse grades including industrial, instrument, and pharmaceutical, is thoughtfully packaged in 25kg bags of chunks or granules, catering to industrial demands. It requires storage in cool, dry environments, safeguarded from heat, with different grades carefully segregated and applied in well-ventilated spaces. Celebrated for its natural, eco-friendly essence, stable chemical properties, and extensive applicability, gum rosin is a cornerstone raw material in the industrial production sphere.
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