| Customization: | Available |
|---|---|
| Type: | Resin Rosin |
| Grade: | First Grade |
|
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Gum rosin, a marvel of nature, is a precious resin sourced from the nurturing sap of pine trees. Cherished for its environmentally friendly, non-toxic, and biodegradable characteristics, this extraordinary material exudes a subtle pine aroma. It presents itself as a light yellow to transparent solid with a desirable density of 1.07-1.09 g/cm³, accompanied by a softening point gracefully spanning 70-85ºC. With an impressive acid value of 150-180 mg KOH/g, gum rosin boasts remarkable solubility in organic solvents like ethanol and acetone, yet remains resolutely 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) | - |
Gum rosin stands distinguished for its exceptional adhesive and insulating capabilities, earning its place as a versatile asset across diverse industrial landscapes. In the realm of electronics, it plays a pivotal role as a premier soldering flux material, elevating the quality of PCB soldering. Within adhesive production, gum rosin serves as a fundamental component in crafting pressure-sensitive and hot melt adhesives. Musical instrument maintenance benefits greatly from professional violin rosin, which enhances string friction and enriches acoustic performance. Moreover, gum rosin finds its way into the pharmaceutical industry as a reliable plaster base, into personal care formulations as a soap additive, and into the rubber industry as an effective elastic enhancer.
Gum rosin is available in an array of grades, including industrial, instrument, and pharmaceutical, each tailored to meet specific needs. It is thoughtfully packaged in convenient 25kg bags, containing either chunks or granules, designed for industrial applications. To preserve its quality, it should be stored in a cool, dry environment away from heat sources, ensuring different grades remain unmixed and are utilized in well-ventilated spaces. Revered for its natural eco-friendly virtues, stable chemical properties, and expansive utility, gum rosin is an indispensable raw material in the sphere of industrial production.
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