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| OEM | OEM Services Provided |
| Feature | Good stability |
| Classification | Paint Additives |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact Export Director now ↓ |
Performance Features
1K resin, good compatibility with CAB381, aluminum orientation, weathering resistance, adhesion in ABS plastic, inter – layer adhesion with top PU clear coating.
Resins for Automotive Refinish: Overview and Key Properties
| Category | Details |
|---|---|
| Resin Types | Acrylic, Alkyd, Polyurethane, Epoxy |
| Primary Function | Provide adhesion, durability, and gloss |
| Form | Liquid (solvent/water-based) or powder |
| Curing Mechanism | Air-dry, thermal, or catalytic |
Key Resin Types & Properties
| Resin Type | Hardness (Pencil) | Drying Time | UV Resistance |
|---|---|---|---|
| Acrylic | H–2H | Fast (30–60 min) | Moderate |
| Alkyd | B–HB | Medium (2–4 hrs) | Low |
| Polyurethane | 2H–4H | Varies (catalyst-dependent) | High |
| Epoxy | 3H–5H | Slow (6+ hrs) | Poor (requires topcoat) |
Performance Requirements
| Property | Industry Standard |
|---|---|
| Adhesion | ASTM D3359 (5B rating) |
| Flexibility | ASTM D522 (1/8″ mandrel bend) |
| Chemical Resistance | ASTM D1308 (gasoline, brake fluid) |
| Gloss Retention | ASTM D523 (85+ at 60°) |
Application Methods
| Process | Compatible Resins | Film Thickness |
|---|---|---|
| Spray | All types | 30–80 µm |
| Brush/Roller | Alkyd, Epoxy | 50–150 µm |
| Electrostatic | Powder Epoxy | 60–120 µm |
Formulation Components
| Component | Function | Typical % |
|---|---|---|
| Base Resin | Film formation | 50–70% |
| Crosslinker | Cure enhancement | 10–30% |
| Pigments | Color/opacity | 5–20% |
| Additives | Flow/leveling | 1–5% |
Advantages vs. Limitations
| Resin Type | Advantages | Limitations |
|---|---|---|
| Acrylic | Fast repair, UV stable | Lower chemical resistance |
| Alkyd | Easy application, low cost | Poor durability |
| Polyurethane | High gloss, abrasion resistant | Requires precise mixing |
| Epoxy | Superior adhesion | Prone to yellowing |
Regulatory Compliance
| Standard | Requirement |
|---|---|
| VOC Limits | <420 g/L (US EPA) |
| REACH | SVHC compliance |
| CARB | Low-VOC formulations |
Market Trends
| Technology | Adoption Rate | Key Driver |
|---|---|---|
| Water-Based | 40% growth | Environmental regulations |
| High-Solids | 25% growth | Reduced VOC emissions |
| UV-Cure | Emerging | Energy efficiency |
Safety & Handling
| Aspect | Guideline |
|---|---|
| PPE | Respirator, gloves, goggles |
| Ventilation | OSHA 1910.94 compliant |
| Storage | Flame-proof, <30°C |
Summary
Automotive refinish resins balance durability, aesthetics, and regulatory compliance. Polyurethanes dominate premium repairs, while water-based systems gain traction for sustainability. Proper resin selection ensures color matching, corrosion protection, and long-term gloss retention.
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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