Product name: Gum rosin
Other name: Colophony
Color: Pale yellow
Appearance: Transparent solid
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Softening Point(ball& ring)
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760C min
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Unsaponifiable Material
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5% max
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Alcohol Insoluble Material
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0.03% max
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Acid Value mgKoh/g
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166 min
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Ash
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0.02% max
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Useage: Soap industry , paper industry, paint coating industry, printing ink industry , adhesives industry , rubber industrial, food industry , electrical industrial , flux Chinese herbal medicine, building materials industry (bond)