Rosin-modified maleic acid resin, also known as 422 dehydration malic acid resin, is a light yellow transparent flaky solid prepared by addition reaction of rosin and maleic anhydride and esterification with glycerol, vacuum treatment and cooling to slice .
Appearance | Softening Point (Global Law) | Color (Iron-cobalt method) | Acid value (Mg / g) | Benzene (Solubility) |
(Visual inspection) | ≥130 | ≤3 | ≤20 | Total solution |
Appearance | Softening Point (Global Law) | Color (Iron-cobalt method) | Acid value (Mg / g) | Benzene (Solubility) |
(Visual inspection) | ≥130 | ≤3 | ≤20 | Total solution |






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