JIS G3302 Certified PPGI Coils - Color-Coated Steel For HVAC Appliance Manufacturing
JIS G3302 Certified PPGI Coils are precision-engineered for HVAC systems and appliance manufacturing, combining corrosion resistance, thermal stability, and aesthetic versatility. Compliant with Japan’s rigorous JIS G3302 (SGCC) standard, these coils feature a hot-dip galvanized base (Z22–Z27) and 15–25µm polyester/polyurethane coatings, ensuring durability in humid, high-temperature environments. Available in 0.4–2.5mm thicknesses and 600–1,250mm widths, they are optimized for air ducts, refrigeration units, and premium appliance casings.
Key Advantages:
- JIS G3302 Compliance: Guarantees consistent zinc coating (20–275g/m²) and bendability (0T–1T).
- Thermal Performance: Withstands -30°C to 120°C without coating cracking (tested per ASTM D2794).
- Hygienic Surfaces: Smooth, non-porous coatings resist mold, bacteria, and chemical cleaners (pH 1–14).
- Color Precision: 200+ pre-coated RAL/Pantone shades with ±0.5ΔE color accuracy.
- Eco-Friendly: Halogen-free, RoHS-compliant coatings + ISO 14064 carbon-neutral production.
- Fast Fabrication: Pre-punched holes, laser-cut edges, and CNC-compatible tolerances (±0.1mm).
2. Technical Specifications
| Parameter | Details |
| Base Material | SPCC Steel (C: ≤0.12%, Mn: 0.25–0.60%, Si: ≤0.05%, P/S: ≤0.03%) |
| Coating Layers | Hot-Dip Galvanized (Z22–Z27) + Chromium-Free Primer + Polyester/PU (15–25µm) |
| Grades | JIS G3302 (SGCC), ASTM A653 (G90), EN 10346 (DX51D+Z) |
| Thickness Range | 0.4mm–2.5mm (±0.03mm for ≤1.2mm, ±0.05mm for >1.2mm) |
| Coil Dimensions | Width: 600–1,250mm (±1mm), ID: 508/610mm, Max OD: 1,800mm |
| Mechanical Properties | Tensile Strength: 270–500 MPa, Yield Strength: 180–350 MPa, Elongation: 18–30% |
| Surface Properties | Gloss: 20–70 GU, roughness Ra ≤0.4µm, adhesion (JIS K5600): Class 0 |
| Certifications | JIS G3302, SGS, RoHS, ISO 9001/14001, AHRI Standard 410 (HVAC compliance) |
| Key Applications | HVAC ducts, refrigerator panels, washing machine drums, and microwave casings |
3. Why Import Our JIS G3302 PPGI Coils?
Competitive Edge:
- Cost Leadership: 30% cheaper than Japanese domestic suppliers with identical JIS certification.
- Dedicated Stock: 10,000+ tons of pre-coated coils in 50+ colors for 72-hour dispatch.
- Quality Control: AI-powered defect detection (≥99.9% accuracy) + salt spray resistance (1,000+ hours JIS Z2371).
- Tailored Solutions: Anti-condensation coatings, sound-dampening layers, and EMI shielding options.
- Logistics Network: Duty-paid inventory in Osaka and Singapore for faster ASEAN/EU delivery.
- Technical Support: Free CAD templates, thermal expansion reports, and on-site welding training.
- Warranty: 10-year anti-corrosion warranty + 3-year color retention guarantee.
4. Industry-Specific Applications
| Industry | Use Cases |
| HVAC Systems | Air handling units, condenser casings, insulated ductwork, and vent hoods. |
| Home Appliances | Refrigerator interiors, dishwasher doors, oven linings, and dryer drums. |
| Commercial Cooling | Walk-in freezer panels, cold room ceilings, and refrigeration truck bodies. |
| Electronics | Server rack cabinets, LED display housings, and battery cooling systems. |
| Industrial Machinery | Compressor covers, heat exchanger shells, and generator enclosures. |
| Medical Equipment | Sterile storage units, laboratory fume hoods, and MRI machine housings. |
| Renewable Energy | Heat pump exteriors, geothermal system ducts, and solar thermal collectors. |
FAQ
1. Who are we?
Our headquarters is located in Anhui, China. Since 2010, we have sold to the domestic market (30.00%), South Asia (10.00%), South America (10.00%), North America (10.00%), Southeast Asia (10.00%), and Africa (5.00%) , Northern Europe (5.00%), Central America (5.00%), Middle East (5.00%), Western Europe (3.00%), Oceania (3.00%), Southern Europe (2.00%), East Asia (1.00%), Eastern Europe (1.00%) . There are about 11-50 people in total in our factory.
2. How do we ensure quality?
There are always pre-production samples before mass production;
Always conduct final inspection before shipment;
3. What can you buy from us?
PPGI Steel Coil,PPGI Steel Sheet, stainless steel pipe, stainless steel coil, stainless steel strip, wear-resistant plate, galvanized steel plate
4. Why should you buy from us instead of other suppliers?
The company introduces advanced technology and equipment, and its products are exported to Western countries such as the United Kingdom and the United States. It has strong technical force and experienced technical and management personnel.
5. What services can we provide?
Accepted delivery terms: FOB, CFR, CIF, EXW;
Accepted payment currencies: USD;
Accepted payment methods: T/T, L/C, cash;
Languages spoken: English, Chinese
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JIS G3302 Galvanized Colour Coated Roofing Sheet 0.4mm-2.5mm Thickness Images
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