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Qinhuangdao Longfa Chemical co.,Ltd

All Products >> ROSIN

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gum rosin
gum rosin
Specification: X / WW / WG
Detail: 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 res...
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