| Customization: | Available |
|---|---|
| Type: | Resin Rosin |
| Grade: | First Grade |
|
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Gum rosin is a remarkable natural resin extracted from the sap of majestic pine trees, celebrated for its eco-friendly, non-toxic, and biodegradable characteristics. This splendid light yellow to transparent solid presents a subtle pine aroma, boasting a density marvelously ranging from 1.07-1.09g/cm³, and softening points spanning 70-85ºC. With an acid value impressively around 150-180mg KOH/g, it shows exceptional solubility in organic solvents such as ethanol and acetone while remaining insoluble in water, making it a versatile choice for various 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) | - |
Gum rosin is treasured for its remarkable adhesive and insulating qualities, making it indispensable across a spectrum of industrial sectors. In the electronics domain, it serves as a premium soldering flux material, significantly enhancing PCB soldering performance. In adhesive manufacturing, gum rosin is a cornerstone ingredient in the formulation of pressure-sensitive adhesives and hot melt adhesives. It is also indispensable in instrument maintenance, where premium violin rosin heightens string friction and enriches sound quality. Additional uses extend to the pharmaceutical industry, where it acts as a base for plasters, in personal care products as a sophisticated soap additive, and in the rubber industry as a dynamic elastic enhancer.
Gum rosin is available in an array of grades, including industrial, instrument, and pharmaceutical, each tailored to specific applications. Typically, it is packaged in robust 25kg bags, whether in chunk or granule form, for industrial purposes. To maintain its premium quality, it should be stored in a cool, dry environment, kept away from heat sources, and grades should not be mixed to ensure product integrity. Furthermore, it should be handled in well-ventilated spaces. With its naturally eco-conscious properties, stable chemical structure, and extensive application potential, gum rosin emerges as an indispensable raw material in modern industrial production.
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