Contact person:Kitty Liang
Tel：+86-0771-2610277
+86 13481140850
Fax：+86-0771-2449722
E-mail: st-rosin@hotmail.com
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Quality Index of Gum Rosin from P.elliottii(LY/T 1332-1999)
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2010-03-12 Hits
：4463 Songtao business |
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Item
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X
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WW
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WG
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N
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M
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K
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Appearance
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transparent
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Color
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slight yellow
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yellowish
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yellow
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deepyellow
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yellowish-brown
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yellowish -red
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Conform to Color Requirements of STD Glass for Rosin
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Softening point(Ring-and-ball method) ℃≥
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76.0
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75.0
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74.0
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Acid value (mgKOH/g)≤
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165.0
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164.0
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163.0
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Ethanol insolubles %≤
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0.030
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0.030
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0.040
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Non-saponifiable matter %≤
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8.0
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8.0
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9.0
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Ash content %≤
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0.020
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0.030
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0.040
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