China Factory Price Supply Top Quality Gum Rosin Ester CAS 8050-09-7 Rosin, Find details about China Gum Rosin CAS Supplier, Gum Rosin 8050-09-7 from Factory Price Supply Top Quality Gum Rosin Ester CAS 8050-09-7 Rosin
In Adhesive Industry:
Index | Super Grade X | 1st Grade WW | 2nd Grade WG | 3rd Grade N |
Color | Yellowish | Pale yellow | Yellow | Deep yellow |
Conforming to the demands on the standard color spaces of rosin color grade glass | ||||
Softening Point (ring & ball) °C ≥ | 76 | 75 | 74 | |
Acid value mgKOH/g≥ | 166 | 165 | 164 | |
Insoluble matter in ethanol % ≤ | 0.03 | 0.03 | 0.04 | |
Non-saponifiable matter %≤ | 5 | 5 | 6 | |
Ash %≤ | 0.02 | 0.03 | 0.04 |
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