RAL Color Customized PPGI PPGL Steel Coil with 30-275g/m² Zinc Layer and PE/SMP/PVDF Paint Options for Home Appliances
Professional steel solutions for home appliances. High-quality PPGI and coated steel coils for refrigerators, washing machines, and HVAC systems. Custom supply available.
In home appliance manufacturing, steel materials must meet strict requirements in surface quality, formability, corrosion resistance, and consistency.
Whether you are producing refrigerators, washing machines, ovens, or air conditioning units, selecting the right coated steel directly affects product appearance, durability, and production efficiency.
Our appliance steel solutions focus on PPGI and coated steel coils, delivering stable quality, excellent processing performance, and customizable finishes for OEM manufacturers.
| Product name | Colour Coated Steel Coil |
| Base material | GI /GL coils |
| Thickness | 0.12 – 1.50 mm |
| Width | 600 – 1250 mm |
| Zinc coating | Z30 – Z275 g/m² |
| Paint type | PE / SMP / PVDF |
| Top Coating Thickness | 10 – 25 μm |
| Back Coating Thickness | 5 – 10 μm |
| Colour | RAL Color / Custom |
| Surface finish | Glossy / Matte / Textured |
| Standard | ASTM A653 / EN 10346 / JIS G3312 |
| Property | PPGL | PPGI | GI |
| Corrosion Resistance | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐ |
| Durability | 20~25years | 10~15years | 5~10years |
| Aesthetic Appearance | Excellent | Good | Basic |
| Cost | High | Medium | Low |
| Application Level | High-end projects | Standard projects | Basic structures |
Conclusion:
- High durability & large projects → PPGL
- Balanced performance → PPGI
- Cost-sensitive structures → GI
- PE: Cost-effective, general purpose
- SMP: Improved UV resistance
- HDP: High durability for outdoor use
- PVDF: Maximum weather resistance (recommended for coastal projects)
- For roofing, SMP or PVDF is highly recommended
Recommended: High-quality PPGI Steel Coil
- Smooth surface with uniform coating
- Strong corrosion resistance
- Excellent paint adhesion
Used for back panels, side panels, and internal components
Recommended: PPGI / Anti-fingerprint Coated Steel
- Resistant to moisture and detergents
- Durable coating, anti-scratch performance
- Good forming ability
Ideal for outer shells and control panels
Recommended: PPGI / Heat-resistant coated steel
- Stable performance under temperature changes
- Good surface finish
- Long service life
Recommended: Galvanized Steel (GI) or Prepainted Steel
- Good corrosion resistance
- Cost-effective for internal structures
- Suitable for ducts and casing
PPGI (prepainted galvanized steel) is widely used for outer panels, while galvanized steel is used for internal components.
Because it offers:
- Better surface finish
- Decorative appearance
- Strong corrosion resistance
It is a special surface treatment that prevents fingerprints, improves corrosion resistance, and enhances product appearance.
Yes, high-quality PPGI is suitable for bending and forming without coating damage.
We implement:
- Strict coating thickness control
- Surface inspection
- Mechanical testing
- Batch consistency management
Yes, we provide:
- Customized specifications
- Stable bulk supply
- Technical support
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.