USD $0.40-1.00 / Metric Ton
USD $100.00-150.00 / Kilogram
USD $32.00-34.00 / Metric Ton
USD $1.00-10.00 / Kilogram
USD $90.00-100.00 / box
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.