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Zinc
2016-11-19 11:36
1. High quality2. MolecularFormula:Zn3. Cas No.:7440-66-6
Rosin
2016-11-19 10:47
Softeniung point(RB)76minAcid118 alue (mgKOH/mg)--166minNon-saponificationcontent%5maxImprurit conternt%0.03maxAsh conte
