Qingdao Jero Steel Co., Ltd.
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Flexible Sheet Roll Ppgi Dx51d+Z Prepainted Steel Coil Mild Steel
Color Coated Steel Coils (CCS or pre-painted steel) are composite materials made by
applying organic coatings (such as polyester, PVDF, etc.) onto galvanized (GI) or galv
-alume (GL) steel substrates through a continuous coating and baking process. These
coils offer superior corrosion resistance, decorative appeal, and formability, making them
ideal for appliances, construction, and automotive applications.
Key Performance Characteristics
| Property | Description |
| Corrosion Resistance | Zinc/aluminum-zinc base + organic coating provides 10-30 years service life (environment dependent) |
| Aesthetic Flexibility | Available in RAL/Pantone colors, gloss/matte finishes, and wood/stone patterns |
| Formability | Suitable for punching, bending, shearing (PVDF coatings offer better formability than polyester) |
| Weather Resistance | Premium coatings (e.g., PVDF) resist UV fading/chalking for decades |
| Lightweight | 60% lighter than concrete alternatives for large-span structures |
| Eco-Compliance | Chromium-free/water-based coating options meet RoHS standards |
Polyester (PE) Coating
Best cost-performance balance
Good flexibility and formability
Weather resistance: 2-5 years
Gloss retention: ≥80% (500h QUV test)
Silicone-Modified Polyester (SMP) Coating
Enhanced weather resistance: 5-8 years
Heat resistance: up to 120°C
Superior UV resistance
High-Durability Polyester (HDP) Coating
Extended weather resistance: 8-12 years
Excellent chemical resistance
Improved color stability
Polyvinylidene Fluoride (PVDF) Coating
Ultra-high weather resistance (20+ years)
Heat resistance: up to 150°C
Self-cleaning properties
Gloss retention: ≥90% (2000h QUV test)
Industry Applications
♦ Construction: Roofing, wall panels, sandwich panels, curtain walls
♦ Appliances: Refrigerator shells, washing machine cabinets
♦ Transport: Container bodies, vehicle panels
♦ Industrial: Electrical enclosures, ventilation ducts
• Eco-friendly coatings: Water-based/powder coatings replacing solvent-based
• Functional coatings: Antimicrobial, self-cleaning, fingerprint-resistant
• Lightweighting: Advanced high-strength steels with thinner coatings