1. Technical Parameters
| Parameter | Specification |
| Material | Aluminum Alloy A380 / ADC12 / Custom Die Cast Alloys |
| Coating Type | ED Coating (Electrophoretic Deposition) |
| Coating Thickness | 15–25 μm (uniform, consistent coverage) |
| Corrosion Resistance | Passes >200 cycles of corrosion testing (ISO 16701 or similar) |
| Surface Color | Uniform black, gray, silver (custom shades available upon request) |
| Coating Features | High adhesion, chemical resistance, uniform film, low VOC |
| Casting Method | High Pressure Die Casting (HPDC) |
| Secondary Processes | CNC Machining, Tapping, Drilling, Surface Deburring |
| Tolerance | ±0.02 mm (Post-Machining) |
| Heat Resistance | Up to 150°C sustained |
| Application Fit | Automotive interiors, exterior trim, structural supports |
| Standards Compliance | IATF 16949, ISO 9001, RoHS, REACH |
| Environmental Testing | Salt Spray, Humidity, Thermal Cycling, Adhesion Test |
| MOQ | 100 pieces; prototypes starting from 1 unit |
| Lead Time | 15–20 days for production (shorter for samples) |
2. Key Selling Points
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Consistent OEM Color Matching
ED coating ensures a uniform and automotive-grade color surface, ideal for exterior trim and interior visual components.
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Enhanced Corrosion Resistance
Withstands 200+ cycles of corrosion testing, exceeding typical automotive requirements for long-term durability.
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Precision Die Casting + CNC
Tight dimensional control ensures seamless integration into automotive assemblies and multi-part housings.
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Eco-Friendly Coating Process
Electrophoretic coating is low in VOCs, compliant with RoHS, and environmentally sustainable.
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Scalable Production
From prototypes to mass production, scalable tooling and coating lines meet your product lifecycle needs.
3. Future Trends in ED Coated Die Cast Enclosures
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Integration of ED with Duplex Coatings
ED coatings combined with powder topcoats or clear coats for enhanced UV and chemical protection.
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Decorative + Functional Coating Systems
Evolution toward visually appealing finishes that also deliver EMI shielding or heat resistance.
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Customization by Laser Etching on ED Surfaces
Branding and serial marking directly on coated surfaces without compromising corrosion protection.
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Automation in Coating Lines
Fully robotic dip and cure systems for consistent finish quality and repeatability across complex geometries.
4. Application Scenarios
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Automotive Exterior Trim
Enclosures for side mirrors, door handles, roof rail supports, and grilles requiring durable, uniform finishes.
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Interior Components
Structural support parts, display housings, or control bezels in passenger compartments needing OEM color matching.
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Under-Hood Enclosures
Die cast electronics enclosures that require both thermal performance and resistance to fluid splashes and heat.
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EV and Battery System Frames
Structural frames or covers for battery management and EV power electronics where weight and corrosion are key.
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Lightweight Consumer or Industrial Housings
High-end audio enclosures, lighting fixtures, or control boxes with automotive-level finish expectations.
5. FAQ
Q1: What is ED coating and how is it applied?
A1: Electrophoretic deposition (ED or e-coating) is a dipping process where a uniform film forms on electrically conductive parts. It offers excellent coverage—even in cavities—and superior adhesion.
Q2: How does ED coating compare to powder coating?
A2: ED coating is thinner and better for tight-tolerance applications. It provides a highly uniform base and excellent corrosion resistance but less UV resistance compared to top-coated powder systems.
Q3: Can the ED coating color be customized?
A3: Yes, we can customize shades (typically in black, gray, or silver ranges) to match OEM standards or Pantone references.
Q4: Are the coated enclosures paintable or laser-markable?
A4: Absolutely. ED-coated surfaces can be painted over, printed on, or laser marked for branding or part tracking.
Q5: What standards do the coatings meet?
A5: Our ED coatings meet IATF 16949, RoHS, and ISO corrosion test standards including salt spray, thermal cycling, and adhesion.
Q6: Can this coating be used in marine or chemical environments?
A6: Yes. ED coatings offer excellent base corrosion protection. For marine or highly acidic environments, we recommend duplex coatings with powder or topcoat layers.
Whether you're designing for the road, the lab, or the factory, our ED coated die cast aluminum enclosures deliver unmatched precision, protection, and visual consistency. Contact us to start prototyping today.
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