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High-solids, low-VOC acrylic resin designed for sustainable industrial coatings.
Excellent balance of hardness, flexibility, and chemical resistance in cured films.
Optimized for ambient-cure and forced-dry applications with good flow and leveling.
Compatible with common crosslinkers including melamine formaldehyde and polyisocyanates.
Consistent batch-to-batch performance ensuring reliable formulation reproducibility.
Automotive refinish topcoats and clearcoats.
Industrial maintenance coatings for metal substrates.
General-purpose coil coatings requiring durability and gloss retention.
Plastic coatings for automotive interior trim and appliances.
High-performance wood finishes for furniture and cabinetry.
| Chemical Type | Acrylic copolymer |
| Product Form | Liquid solution |
| Appearance | Clear to slightly hazy, colorless to pale yellow liquid |
| Solvent System | Xylene / butyl acetate blend |
| Solids Content (wt%) | 50 ± 1% |
| Viscosity (DIN 4, 25°C) | 18–24 s |
| Acid Value (mg KOH/g) | 8–12 |
| Primary Applications | Ambient- and bake-cured industrial coatings |
Q1: What is the primary function of VIACRYL SC 444 50BSNB in coating formulations?
A: VIACRYL SC 444 50BSNB is a self-crosslinking acrylic resin designed to enhance film hardness, chemical resistance, and mar resistance in ambient-cure or low-bake industrial coatings—particularly for metal and plastic substrates.
Q2: Is this resin compatible with common crosslinkers such as melamine or blocked isocyanates?
A: Yes, VIACRYL SC 444 50BSNB contains reactive functional groups that enable compatibility with standard amino resins (e.g., melamine-formaldehyde) and thermally activated blocked isocyanates, allowing formulation flexibility for different cure schedules and performance targets.
Q3: How does VIACRYL SC 444 50BSNB differ from conventional non-self-crosslinking acrylic resins?
A: Unlike standard acrylics requiring external crosslinkers, VIACRYL SC 444 50BSNB incorporates built-in crosslinking functionality, enabling improved through-cure, reduced VOC potential, and simplified formulation—especially beneficial in low-temperature or air-dry applications.
Q4: Can this resin be used in waterborne systems?
A: VIACRYL SC 444 50BSNB is supplied as a solvent-based resin and is not inherently water-dispersible; however, it may be incorporated into hybrid solvent/water systems or post-emulsified with appropriate surfactants—formulation testing is recommended to verify stability and performance.
Q5: What are typical handling and storage recommendations?
A: Store in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and ignition sources. Avoid prolonged exposure to moisture or elevated temperatures to preserve reactivity and shelf life.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
