| Model NO.: | 8050-09-7 |
|---|---|
| Packaging Qty: | In galvanized iron drum, 225kgs net each drum in kraft paper bag without liner, 25kgs net each bag in polypropylene woven bag, 25kgs net each bag |
| Min. Order (MOQ): | 20metric ton/metric tons |
| Customization: | Available Customized Request |
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manufacturer, exporter and wholesale trader of silver liquid mercury,red liquid mercury,sodium cyanide in worldwide.
Gum rosin is composed of various kinds resin acids, and having special physical and chemical properties. Gum rosin is made of natural resin, its general formula is C20H30O2. Gum rosin also called colophony, 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.
