Model: | - |
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Brand: | - |
Origin: | - |
Category: | Chemicals / Resin |
Label: | turpentine , rosin , Colophony |
Price: |
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Min. Order: | - |
Live Chat: | Last Online:04 Sep, 2014 |
Rosin, also called colophony or Greek pitch, 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 temperatures. It chiefly consists of different resin acids, especially abietic acid.
Chinese Gum Rosin product is used for the manufacturing of paper, paint, soap and printing ink. Since rosin is easily softened and oxidized, in the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce resinate for further use. While in the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin, polymerized rosin, hydrogenated rosin, etc for further use by its double bond reaction.
Application
Specification
Appearance | Transparent solid |
Colour | Slight Yellow |
Acid Value | 166mg KOH/g min |
Ash | 0.02% max |
Softening Point, R&B | 76°C min |
Insoluble in alcohol | 0.03% max |
Unsaponifiable matter | 5% max |
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Packaging
packing in 225kg iron drum net each, 25kg paper bag net each
Storage
Remark
The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract.