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| Customization: | Available |
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| CAS NO.: | 8050-09-7 |
| Formula: | C19h29 Cooh |
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Dova RS301 also called colophony or Greek pitch (Latin: pix græca), is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperature. It chiefly consists of various resin acids, especially abietic acid.
| Characteristics | Unit | Standard Request | Test Method |
| Appearance | Transparent | GB/T8145-8146-2003 | |
| Softening point(R&B) | °C | 76 Min | GB/T8145-8146-2003 |
| Acid value | % (w/w) | 166Min | GB/T8145-8146-2003 |
| Unsaponifiables | % (w/w) | 5 Max | GB/T8145-8146-2003 |
| Alcohol-insoluble residue | % (w/w) | 0.03 Max | GB/T8145-8146-2003 |
| Ash | % (w/w) | 0.02Max | GB/T8145-8146-2003 |


