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High hydroxyl functionality for excellent crosslinking density with melamine and polyisocyanate curing agents.
Low VOC formulation compliant with stringent environmental regulations including EU REACH and US EPA guidelines.
Superior weather resistance and UV stability for long-term gloss and color retention in exterior coatings.
Excellent compatibility with common solvent-based resins and additives used in industrial coating systems.
Consistent batch-to-batch performance ensured by Allnex’s ISO 9001-certified manufacturing process.
Automotive OEM topcoats and clearcoats requiring high hardness and mar resistance.
Industrial maintenance coatings for metal structures, machinery, and agricultural equipment.
General-purpose coil coatings where formability and corrosion resistance are critical.
High-performance can coatings for food and beverage packaging applications.
| Chemical Type | Hydroxyl-functional acrylic resin |
| Product Form | Liquid solution in aromatic hydrocarbons (e.g., xylene) |
| Appearance | Clear, pale yellow liquid |
| Solids Content | 70 ± 1 wt% |
| Hydroxyl Value | 85–95 mg KOH/g |
| Acid Value | < 5 mg KOH/g |
| Viscosity (25°C, Brookfield RV) | 1,200–1,800 mPa·s |
| Density (20°C) | 0.92–0.94 g/cm³ |
Q1: What is the primary function of MACRYNAL VSM 2705 70LG in coating formulations?
A: MACRYNAL VSM 2705 70LG serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane and polyester-based coating systems. It contributes to film formation, enhances crosslink density, and supports key performance attributes such as hardness, chemical resistance, and gloss retention.
Q2: Is this resin compatible with common isocyanate hardeners used in industrial coatings?
A: Yes, MACRYNAL VSM 2705 70LG is formulated for compatibility with aliphatic and aromatic isocyanate crosslinkers, including HDI-based trimer and IPDI-based adducts. Optimal reactivity and pot life are achieved when matched with standard polyisocyanate hardeners recommended for high-performance automotive refinish and industrial maintenance coatings.
Q3: How does the low-solvent content of this grade benefit formulation and application?
A: As a low-GHG (low global warming potential) solvent grade with reduced aromatic content, VSM 2705 70LG supports VOC-compliant formulations while maintaining good viscosity control and solubility in common ester- and ketone-based solvent blends. This facilitates easier integration into high-solids and medium-solids coating systems without compromising flow or leveling.
Q4: Can this resin be used in waterborne hybrid systems?
A: While primarily designed for solvent-borne and high-solids applications, MACRYNAL VSM 2705 70LG may be incorporated into solvent-containing waterborne hybrids — for example, as a co-binder in water-reducible PU systems — provided compatibility testing confirms stable dispersion, acceptable pot life, and desired film properties. Direct use in fully waterborne systems is not recommended without reformulation support.
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