Gum rosin Pine Rosin Gum Rosin WW Grade
Gum Rosin WW Grade:
Softening Point: 76 Deg.C min.
Insoluble Matter in Alcohol: 0.03% max.
Non Saponifiable Matter: 5% max.
Acid Value(MgKOH/G): 166 min.
Ash: 0.02% max
Specification:
Index |
Premium grade |
grade 1 |
grade 2 |
grade 3 |
grade 4 |
Color / Appearance |
yellowish |
light Yellow |
yellow |
dark yellow |
pale brown |
Softening point °C |
≥76 |
≥75 |
≥74 |
||
Acid value(mgKOH/g) |
≤166 |
≤165 |
≤164 |
||
Unsaponifiable matter content% |
≤5 |
≤5 |
≤6 |
||
Alcohol insoluble Substance ,(%) |
≤0.03 |
≤0.03 |
≤0.04 |
||
Ash % |
≤0.02 |
≤0.03 |
≤0.04 |
Main Applications:
widely use in the manufacture of adhesive, coating, inks, rubber, soaps, paper etc.
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