Gum rosin, pentaerythritol ester of gum rosin, refined light color rosin

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Gum rosin, pentaerythritol ester of gum rosin, refined light color ros...
Posting date : Aug 17, 2007
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CHEMICAL | Tanning or
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32-
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1)Gum rosin(Grade):X, WW, WG, N, M, K Softening point(R&B)Min:76,75,74 Acid value(mg KOH/g)Min:166,165,164 Alcohol insoluble substance Max:0.03,0.03,0.04 Unsaponifiable matter Max:5,5,6 Ash Max:0.02,0.03,0.04 2)145#Rosin pentaerythritol ester: Appearance Acid value Color Softening point Solubility(with benzene 1:1) 3)Refined light color rosin
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