Colored coated sheet
Colored coated sheet, also known as pre-painted sheet or organic coated sheet, is a composite material made by applying one or more layers of organic coating on the surface of metal substrates (such as galvanized sheet, galvalume sheet, aluminum sheet) after surface pretreatment, followed by baking and curing. It integrates the strength of the base metal and the protective, decorative properties of the coating, widely used in construction, home appliances, automotive, and decoration fields.
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| Parameter Category | Details |
| Base Material | Galvanized sheet (PPGI), Galvalume sheet (PPGL), Aluminum sheet, Cold-rolled steel sheet, Aluminum-magnesium-manganese sheet |
| Coating Type | PE (Polyester), SMP (Silicon-modified Polyester), PVDF (Polyvinylidene Fluoride), HDP (High Weather-resistant Polyester), PU (Polyurethane) |
| Thickness Range | 0.30mm – 2.0mm (base metal); Coating thickness ≥20μm (PE), ≥23μm (SMP/HDP), ≥25μm (PVDF) |
| Width Range | 600mm – 1550mm (customizable according to requirements) |
| Color & Surface Effect | Solid color (matte/glossy/pearlescent), texture (wood grain/brushed metal), printed patterns (brick/tile/marble); customizable colors |
| Key Performance | T-bend: 2T-3T; MEK ≥100; Neutral salt spray: 1000h-1500h; QUV-A: 1500h-3000h |
| Application Scenarios | Construction (roofing, wall cladding), home appliances, automotive parts, containers, billboards, cold chain warehouses |
Advantages
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Excellent Corrosion Resistance: The composite structure of pretreatment layer and organic coating effectively isolates air, moisture and corrosive media, protecting the base metal from rust. Galvalume-based coated sheets have 2-6 times better corrosion resistance than galvanized ones, suitable for coastal and industrial areas.
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Superior Weather Resistance: The coating can resist UV radiation, wind, rain and temperature changes, maintaining color stability and anti-fading for a long time (PVDF coating has 20-year color retention).
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Rich Decorativeness: A wide range of colors, surface textures and printed patterns are available, supporting customization to meet diverse design needs of different industries.
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Lightweight & High Strength: It combines the light weight of the coating and the high strength of the base metal, making it easy to transport, install and process (cutting, bending, stamping) without compromising structural stability.
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Cost-Effective & Durable: Long service life (10-25 years according to coating type), low maintenance cost, and 100% recyclable, which is economical and environmentally friendly.
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Good Processability: It can be processed into corrugated sheets, sandwich panels and other forms, suitable for various customized production needs in different application scenarios.
HONOR
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