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High hydroxyl functionality for excellent crosslinking density with melamine and polyisocyanate curing agents.
Optimized molecular weight distribution for balanced flow, leveling, and film hardness development.
Low viscosity in high-solids formulation, enabling reduced VOC content without compromising application performance.
Superior UV resistance and long-term gloss retention in outdoor coating systems.
Good compatibility with common acrylic, polyester, and cellulose ester resins in hybrid binder systems.
Automotive OEM topcoats and clearcoats requiring high durability and aesthetic performance.
Industrial maintenance coatings for metal substrates exposed to harsh environmental conditions.
General-purpose coil coatings where corrosion resistance and formability are critical.
High-performance wood finishes for furniture and architectural millwork.
Powder coating hybrids (liquid-primer/powder-topcoat) for complex metal parts.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow liquid |
| Solvent System | Aromatic hydrocarbons and aliphatic ketones |
| Non-Volatile Content (wt%) | 60 ± 1% |
| Hydroxyl Value (mg KOH/g) | 145 – 155 |
| Acid Value (mg KOH/g) | < 5 |
| Viscosity (25°C, mPa·s) | 800 – 1,200 |
Q1: What is the primary function of MACRYNAL VSM 2706 60X in coating formulations?
A: MACRYNAL VSM 2706 60X serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane (2K PU) and other crosslinkable systems. It contributes to film formation, enhances mechanical properties such as hardness and flexibility, and supports good chemical resistance and gloss retention.
Q2: Is this resin compatible with common isocyanate crosslinkers used in industrial coatings?
A: Yes, MACRYNAL VSM 2706 60X is formulated to be compatible with standard aliphatic and aromatic isocyanate crosslinkers, including HDI-based trimer and IPDI-based adducts. Its hydroxyl functionality enables efficient curing under ambient or elevated temperature conditions, depending on catalyst selection and formulation design.
Q3: How does VSM 2706 60X compare to other hydroxyl acrylic resins in terms of viscosity and solids content?
A: VSM 2706 60X is supplied as a medium-viscosity solution with a relatively high non-volatile content, enabling good handling characteristics and reduced solvent demand in many industrial coating applications. Its viscosity profile supports spray application and leveling without excessive thinning, while maintaining sufficient reactivity for efficient crosslinking.
Q4: Can this resin be used in low-VOC or high-solids coating systems?
A: Yes — its formulation supports VOC-compliant and high-solids applications when paired with appropriate solvents and crosslinkers. It is commonly selected for industrial maintenance, automotive refinish, and general metal finishing systems where balanced performance and regulatory compliance are required.
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