Allnex MACRYNAL SM 548/50X is a solvent-based hydroxy acrylic resin in the MACRYNAL series, developed for two-component industrial coatings. It can crosslink efficiently with polyisocyanates, featuring fast drying, suitable for direct metal coating, and is a preferred material for high-performance coatings in industrial metal and marine protection fields.
Hydroxy-functional activity for efficient crosslinking reaction
Rapid-drying feature in two-component systems, shortening construction cycle
Excellent system compatibility and wide formulation adaptability
Good pigment wetting for uniform coating appearance
Enhances coating protection performance and strong adhesion
Industrial metal protective topcoats
General industrial two-component coatings
Metal component anti-corrosion coatings
Construction machinery surface protection
Industrial equipment renovation coatings
| Product Model | MACRYNAL® SM 548/50X |
| Brand | Allnex |
| Chemical Type | Hydroxy-functional acrylic resin |
| Technology Type | Solvent-based resin |
| Solids Content | 50 ± 2 % |
| Hydroxyl Value | ca. 130-140 mg KOH/g |
| Acid Value | ≤ 10 mg KOH/g |
| Viscosity (25℃) | 2000-4000 mPa·s |
| Color (Hazen) | ≤ 70 |
| Glass Transition Temp (Tg) | ca. 20 ℃ |
| NCO Demand | Low |
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