Matte prepainted aluminum for roofing sheets
12 month ago
Product details
Prepainted Matt RAL3005/3005/7024/8019/9005 Color Coated Galvalume/Galvanized Steel
Pre-painted matte coated steel sheets are manufactured using hot-dip galvanized (GI) or aluminum-zinc alloy-coated (GL, 55%Al-43.4%Zn-1.6%Si) steel substrates. The coating system comprises a chromate-free conversion coating, an epoxy primer (5–12 μm), and a matte topcoat based on polyester (PE), siliconized polyester (SMP), or polyvinylidene fluoride (PVDF) resin. Matte effect is achieved through incorporation of silica matting agents (3–8% by weight) or micro-embossed surface textures. Substrate specifications include minimum coating weights of Z100 (GI) or AZ150 (GL) per EN 10346. The aluminum-zinc alloy coating (GL) provides enhanced corrosion resistance, particularly in cut-edge protection, due to its sacrificial anode behavior and barrier protection from the aluminum-rich phase. Matte coatings exhibit gloss levels of 10–30 GU (60°) and surface roughness (Ra) of 0.8–2.0 μm. Performance characteristics include adhesion (cross-cut ≥Gt1 per ISO 2409), impact resistance (≥9 J), and QUV-B weathering resistance (≥1000 h for PE, ≥3000 h for PVDF with ΔE ≤3). For roofing applications, recommended sheet thickness is 0.4–0.7 mm with tensile strength ≥280 MPa; fencing applications typically use 0.3–0.5 mm thickness. Installation requires corrosion-resistant fasteners (stainless steel A2/A4 or aluminum) with EPDM washers; panel spans should be calculated based on local wind load requirements (e.g., EN 1991-1-4). Cut edges must be sealed with zinc-rich primer or touch-up paint.
| Grade | DX51D, DX53D, DX54D, S350GD, G550,Alloy,Stainless,etc |
| Base Material | 30-275g/m²; Aluminum: A1, A3, A5 A6, etc, Stainless: 201, 304, 316, 316L, 430 etc |
| Thickness & Width | Thickness 0.15-3.0MM Width ≤2500MM |
| Paint & Film | PE, SMP, HDP, PVDF |
| Processing Service | Protective Film if need, making pipes, cutting sheets, making corrugated sheets,fence sheets etc. |
| Color & Grian | RAL Color PPGI/PPGL/PPAL/Stainless, Surface as Matt Anti Scratch etc. Grain as 2d 3D Wooden,Stone, Brick,Brushed, Rusted, Granited ,Camoufalge series etc. |
| Laminated PP/PET/PVC Sarin Membrane Film steel & Ahumimum & Stainless，Surface Color and Texture as RAL Color,Wood, Marble,Stone, Brushed, Flower, and other Customized Texture Grain etc. |
Our product series includes PPGI/PPGL Steel for durable roofing, Prepainted Aluminum with superior corrosion resistance, Prepainted Stainless for high-hygiene environments, Printed Grain Metal mimicking natural wood aesthetics, Galvanized Steel Parts for structural integrity, Aluminum Parts in lightweight assemblies, Stainless Parts in aggressive conditions, Forming Sheet for complex profiles, Roofs Sheets with weatherproof performance, Fence Sheets offering secure boundaries, Metal Screws engineered for fastening reliability, Standard parts ensuring interchangeability, Non-standard parts tailored to custom designs, Metal Roofs with long-term durability, Curtain wall systems for modern facades, Metal fence for security and style, Prefab House modules for rapid deployment, Water Tank solutions with leak-free integrity, Gutter systems for efficient drainage, and Wall Panel assemblies for seamless cladding.
| Exterior Applications | Exterior Applications: Metal for Roofing Sheet,Photovoltaic Foof panels,Anti-corrosion and heat insulation film steel tiles，Cladding Wall,Aluminum Wall Plate,Curtain Wall, APC Panel, Honeycomb Panel,Currguated Sheet,Metal for Granny Flat, Mobile Homes，Sandwich Panels,Garden Guardrail,Garden Water Tank,Garden Tool Room，Outdoor Tent，aluminum Awning, Metal Kiosk,Modular Hunting Blind;Metal for Aluminum Gutter System, Fence Sheet,Ceiling Sheet；Metal for Garage Doors, Rolling Shutter Door，Flap Door，Swimming Pool side Panels,Stainless Pipe with Surlyn Film Coated, , Billboard, Light Box,Camping Table， and other Architectural Metals. |
| Interior Applications | Interior Applications: Metal for Cabinet Doors，Furniture doors， Fire Doors，Interior Doors，Medical Door；Metal for Wall Panel,Metal Railing, Elevator car，Ceiling sheets, Integrated Furniture,Cupboard Panel；Metal for Display Shelves，Aluminum Square Tube，Office Desk & Chair, Curtain Rod, Wrinting board ；Metal for Fridge Panel, Freezer Board，Solar Water Heater，Heater Cover，Industrial air cooler, Air Conditioner Casing，Metal Heating Plate，Cooling fan cover,Lamp cover，and other decoration used. |
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CHANGZHOU JIAYE NEW MATERIALS CO., LTD.
Audited supplier
2 year
Main Product:
color coated aluminum,
prepainted metal,
Stainless Sheets ,
Stainless castings,
pre-coated stainless,
VCM Corrosion resistant film