Products
Gum rosin
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Index Name
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Super Grade X
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1st Grade WW
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2nd Grade WG
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3rd Grade N
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4th Grade M
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5th Grade K
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Color
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Yellowish
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Pale yellow
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Yellow
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Deep yellow
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Yellowish brown
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Yellowish red
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Conforming to the demands on the standard color spaces of rosin color grade glass
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Softening Point (ring & ball) °C ≥
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76
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75
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74
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Acid value mgKOH/g≥
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166
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165
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164
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Insoluble matter in ethanol % ≤
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0.03
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0.03
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0.04
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Non-saponifiable matter%≤
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5
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5
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6
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Ash %≤
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0.02
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0.03
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0.04
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Description:
Properties and uses: A natural organic substances, made up of various resin acids. It is easily soluble in a number of solvents and has its unique chemical activity. Therefore it is an important raw material for soap, paper making, printing ink, rubber, electronics, edible ester and gum, rosin resin, etc
Packing: packed in drums; net weight 230kg/drum
Technical indexes: GB/T8145-2003; subject to the newest standard if there is alteration; please confirm the newest standard when concluding a contract.