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High molecular weight acrylic copolymer offering excellent film-forming capability and mechanical strength.
Outstanding UV resistance and long-term weatherability for durable exterior performance.
Good compatibility with common crosslinkers including melamine formaldehyde and polyisocyanates.
Low VOC content, supporting compliance with stringent environmental regulations.
Consistent batch-to-batch reproducibility and high solution stability in organic solvents.
Automotive OEM clearcoats and basecoats requiring high gloss and scratch resistance.
Industrial maintenance coatings for metal and plastic substrates.
High-performance coil coatings demanding excellent flexibility and corrosion protection.
Powder coating formulations where enhanced flow and leveling are critical.
Architectural façade coatings requiring superior chalk resistance and color retention.
| Chemical Type | Acrylic copolymer |
| Product Form | Solution in aromatic hydrocarbons (e.g., xylene) |
| Appearance | Clear, colorless to pale yellow liquid |
| Solids Content | 50 ± 1 wt.% |
| Viscosity (25°C, Brookfield RVDV-II+) | 3,500–4,500 mPa·s |
| Acid Value | 8–12 mg KOH/g |
| Glass Transition Temperature (Tg) | ~75°C (by DSC) |
| Primary Applications | OEM automotive coatings, industrial coatings, coil coatings |
Q1: What is the primary function of M920 in coating formulations?
A: M920 is a water-dispersible acrylic resin designed primarily as a film-forming binder and rheology modifier in waterborne industrial and decorative coatings. It enhances scrub resistance, gloss retention, and substrate adhesion without requiring coalescing agents.
Q2: Is M920 compatible with common pigment dispersions and other water-based resins?
A: Yes, M920 demonstrates broad compatibility with anionic and non-ionic pigment dispersants, as well as with other acrylic emulsions, vinyl acetate copolymers, and styrene-acrylic systems. Compatibility should always be verified in the final formulation due to sensitivity to pH and ionic strength.
Q3: How does M920 contribute to low-VOC performance?
A: As a 100% water-based dispersion with no added organic solvents or APEO-containing surfactants, M920 supports VOC-compliant formulations. Its self-crosslinking capability—activated during film formation—eliminates the need for external crosslinkers in many applications, further reducing VOC contribution.
Q4: Can M920 be used in food-contact coating applications?
A: M920 is not pre-approved for direct food-contact applications. While it complies with general regulatory expectations for migration control in indirect contact scenarios, formal approval requires evaluation within the final coating system by qualified toxicologists and alignment with applicable regional frameworks.
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