Powder Coatings on Auto Accessories
We are a manufacturer based in China. We specialize in providing high-quality Powder Coatings on Auto Accessories for industrial clients across various sectors. Whether you need chemicals consultation or technical support, our team is here to help.
Category：Paint chemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Features:
Excellent mechanical properties and flexibility;
Excellent outdoor weather resistance;
Suitable for use at low temperatures
Powder Coatings for Auto Accessories: Technical Overview
| Category | Specifications |
|---|---|
| Definition | Dry finishing process applying decorative/protective polymer powder to auto parts |
| Common Substrates | Aluminum alloys, steel, magnesium, composites |
Coating Types Comparison
| Coating Type | Advantages | Limitations | Typical Applications |
|---|---|---|---|
| Epoxy-Polyester Hybrid | Cost-effective Good corrosion resistance |
Poor UV stability | Engine brackets Underbody parts |
| Polyurethane | Excellent UV/chemical resistance High gloss |
Higher cost | Wheel rims Exterior trim |
| Acrylic | Superior clarity Color retention |
Limited flexibility | Emblems Light covers |
| TGIC-Free Polyester | Weather resistance REACH compliant |
Temperature sensitive | Roof rails Door handles |
Performance Standards
| Test | Requirement | Method |
|---|---|---|
| Salt Spray | 1000+ hours (no corrosion) | ASTM B117 |
| Gravel Impact | Class 4 (SAE J400) | SAE J400 |
| Adhesion | 5B (cross-cut) | ASTM D3359 |
| UV Resistance | ΔE<2 after 2000h | ISO 11341 |
Application Process
| Step | Parameters | Equipment |
|---|---|---|
| Pretreatment | Zinc phosphate conversion coating | 7-stage spray system |
| Powder Application | 50-80kV electrostatic spray | Automatic guns |
| Curing | 180°C × 15min | IR/convection oven |
| Quality Control | DFT: 60-120μm Gloss: 20-90% |
Elcometer gauges |
Market Trends (2023-2025)
| Trend | Impact | Example Products |
|---|---|---|
| Low-Temperature Cure | Enables coating of heat-sensitive composites | Plastic grilles EV battery parts |
| Anti-Fingerprint | Premium surface feel | Door sills Console trims |
| Color-Shifting | Customization demand | Motorcycle accessories Aftermarket wheels |
| Sustainable Formulas | Bio-based resins gaining share | Interior trim parts |
Cost Analysis
| Factor | Epoxy-Polyester | Polyurethane | Acrylic |
|---|---|---|---|
| Material Cost | $15-20/kg | $25-35/kg | $30-45/kg |
| Process Efficiency | 85% transfer rate | 80% transfer rate | 75% transfer rate |
| Lifetime | 5-7 years | 8-10 years | 10+ years |
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