Maleic Resin is manufactured from gum rosin and maleic anhydride via esterification with a polyhydric alcohol.
UMaleic Resins are mainly used for surface coatings and primers to improve the gloss, hardness, drying speed, abrasion resistance and yellow resistance.
Rosin Modified Maleic Resin | ||||||
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Product | Softening Point | Appearance | Acid Value | Viscosity @30 C of 50% sol in FCB4 | Solubility | Uses |
UMALEIC MR 25 | 110-120 | Beads/Flake | 25 Max | 60-80 secs | Toluene, Xylene. | Hammertone paints, Printing inks, Sanding sealers, Stoving varnish |
UMALEIC MR 20 | 115-130 | Beads/Flake | < 30 | 50-60 | Toluene, Xylene,compatible with Ethyl Acetate | NC Laquers, Sanding sealers |
Unisol M 70 | N/A | 25 | 100-110 secs | Available in 70% solution of MTO | Laquers, Paints |