Prepainted Matt RAL8004 PPGI
12 month ago
Product details
Wrinkle Paint Prepainted Aluzinc steel coil
The wrinkle finish on pre-painted aluminum-zinc alloy coated steel (GL/AZ) is a textured coating effect achieved through formulation and process control. The coating is typically a high-solids polyester or polyurethane resin system incorporating thixotropic agents (e.g., fumed silica, organic waxes) and, in some cases, a wrinkling catalyst (like acid catalysts in certain systems). During curing, these additives cause differential surface tension and shrinkage, leading to the formation of a uniform, non-directional wrinkled pattern. The key process parameters are the coating viscosity, film thickness (usually 25–40 μm dry), and the curing profile. A critical factor is the “gel time” – the period during baking when the coating transitions from liquid to gel state. A rapid gel time, often induced by a lower initial oven temperature zone followed by a higher temperature peak, promotes wrinkle formation. The resulting texture depth typically ranges from 30 to 80 μm. This surface offers functional benefits: it effectively masks minor substrate imperfections and handling scratches, provides a consistent matte appearance with reduced light reflection (gloss < 10 GU at 60° is common), and can improve grip. The wrinkled structure also increases the surface area and mechanical interlocking, which can enhance resistance to abrasion. Substrate is typically GL/AZ (e.g., AZ150) for superior cut-edge corrosion protection. The coating must maintain flexibility to pass forming tests like the T-bend test (≤2T for most appliance applications). Wrinkle finishes are popular for appliance components, electrical enclosures, and architectural elements where a uniform, non-reflective, and fingerprint-concealing surface is desired.
| 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