Allnex MACRYNAL SM 518/55LG is a solvent-based hydroxy acrylic resin in the MACRYNAL series, developed for high-performance auto refinish coating systems. It can crosslink efficiently with polyisocyanates, featuring rapid curing, high gloss and high strength, suitable for various coating needs, and is a high-quality formulation material in vehicle refinish and industrial protection fields.
Excellent hydroxy-functional activity, efficient and stable crosslinking reaction
Rapid curing and forming, shortening refinish construction cycle
High gloss performance with outstanding coating decorativeness
Excellent mechanical strength, wear and impact resistance
Good system compatibility, suitable for multiple coating types
Auto refinish coatings (topcoats/clearcoats)
Special coatings for wide-body vehicles
Industrial metal protective topcoats
Metal substrate decorative coatings
Marine engineering protective coatings
| Product Model | MACRYNAL® SM 518/55LG |
| Brand | Allnex |
| Chemical Type | Hydroxy-functional acrylic resin |
| Technology Type | Solvent-based resin |
| Solids Content | 55 ± 2 % |
| Hydroxyl Value | ca. 130-140 mg KOH/g |
| Acid Value | ≤ 10 mg KOH/g |
| Viscosity (25℃) | 2500-5500 mPa·s |
| Color (Gardner) | ≤ 1 |
| Glass Transition Temp (Tg) | ca. 16 ℃ |
| Gloss (60°) | ≥ 95 |
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