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Contact Person Mona
No.2 life District,Weikang Road,Xinhua District, Cangzhou, Hebei
Gum rosin/colophony
General formula : C*0H*0O2.
Gum rosin is made of natural resin, 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.
