Corrosion-Resistant Epoxy Polyester Hybrid Powder Coating for Automotive Components
Engineered for automotive interior trim, engine compartment components, and chassis parts, this hybrid powder coating provides robust protection against corrosion, abrasion, and chemical exposure.
Key Selling Points
✅ Superior corrosion protection – Passes 500h salt spray test (ISO 7253) with ≤2mm corrosion, ensuring long service life in harsh environments.
✅ High impact strength – Withstands 50 kg/cm impact (ISO 6272), protecting parts from chipping during assembly and use.
✅ Chemical resistant – Excellent resistance to general acids and oils, with average alkali resistance, ideal for under-the-hood exposure.
✅ Adhesion grade 0 – Superior adhesion per ISO 2409 ensures coating integrity on metal substrates.
✅ Custom RAL colors – Match brand specifications with custom color matching to RAL or Pantone references.
✅ Eco-friendly formulation – VOC-free and compliant with ISO 14001, supporting sustainable manufacturing goals.
Technical Specifications
Property
Value
Type
Epoxy Polyester Hybrid Powder Coating
Color
Custom RAL & Pantone
Surface Finish
Superior gloss and color retention
Particle Size
Average 32-42 μm
Specific Gravity
1.2-1.7 g/cm³
Coverage
8-10 m²/kg at 30-90 μm film thickness
Film Thickness
70 μm
Application
Tribo Gun or Electrostatic Spray Gun
Curing Temperature
180-200℃ for 10-15 min
Gloss
5%~95% (ISO 2813:2014)
Impact
50 kg/cm (ISO 6272-1:2017)
Bending
≤2mm (ISO 1519:2002)
Cupping
≥6mm (ISO 1520:2006)
Adhesion
0 Grade (ISO 2409:2020)
Hardness
≥H (ISO 15184:2020)
Salt Spray Resistance
500h, unchanged; ≤2mm corrosion (ISO 7253:1996)
Humidity Resistance
1000h, gloss loss ≤ level 1 (GB/T1740-2007)
Chemical Resistance
Good resistance to general acids and oils; average alkali resistance
Models and Options
Custom RAL & Pantone colors
Gloss levels from 5% to 95%
Optional antibacterial formulation for interior components
Materials and Structure
Formulated with epoxy resin, polyester resin, TGIC curing agent, pigments, and additives. The hybrid system provides a balance of hardness and flexibility suitable for automotive environments.
Applications
Interior trim pieces
Engine compartment components
Chassis parts
Other automotive elements requiring robust protection
Customization
Custom color matching, gloss adjustment, and optional antibacterial properties available. MOQ: 100 kg bulk, 1 kg samples.
Case Study
A hardware tool manufacturer used this coating on steel blades, achieving outstanding rust and abrasion resistance in harsh outdoor environments for over 5 years.
FAQ
Q1: Can this coating withstand exposure to oils and acids?
Yes, it provides good resistance to general acids and oils.
Q2: What is the film thickness recommended?
We recommend 70 μm for optimal performance.
Q3: Is it suitable for outdoor automotive parts?
Yes, it has high weather resistance and can last over 10 years outdoors.
Q4: Can you match any RAL color?
Yes, we customize to your specified RAL or Pantone code.
Q5: What is the minimum order quantity?
MOQ is 100 kg; sample orders are welcome from 1 kg.
Q6: Does it meet environmental standards?
The coating is VOC-free and our production is ISO 14001 certified.
Q7: How does it perform in salt spray tests?
It passes 500 hours of salt spray testing without failure.
Q8: Can it be applied with electrostatic equipment?
Yes, it is suitable for both tribo and electrostatic spray guns.
Inquiry Information
Contact our team for detailed technical datasheets and samples.
