China Competitive Price Gum Rosin Ww Grade for Adhesive Industry, Find details about China Gum Rosin, China Paint from Competitive Price Gum Rosin Ww Grade for Adhesive Industry
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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