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Prepainted Aluminum Coils with Long Durability for High-Performance Downpipe Manufacturing

Changzhou Dingang Metal Material Co.,Ltd.
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    Buy cheap Prepainted Aluminum Coils with Long Durability for High-Performance Downpipe Manufacturing from wholesalers
     
    Buy cheap Prepainted Aluminum Coils with Long Durability for High-Performance Downpipe Manufacturing from wholesalers
    • Buy cheap Prepainted Aluminum Coils with Long Durability for High-Performance Downpipe Manufacturing from wholesalers
    • Buy cheap Prepainted Aluminum Coils with Long Durability for High-Performance Downpipe Manufacturing from wholesalers
    • Buy cheap Prepainted Aluminum Coils with Long Durability for High-Performance Downpipe Manufacturing from wholesalers
    • Buy cheap Prepainted Aluminum Coils with Long Durability for High-Performance Downpipe Manufacturing from wholesalers

    Prepainted Aluminum Coils with Long Durability for High-Performance Downpipe Manufacturing

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    Brand Name : Dingang
    Model Number : Color Coated Aluminum Coil
    Certification : SGS,ITS,BV
    Price : Negotiable
    Payment Terms : T/T,L/C
    Supply Ability : 5000 Tons / Per Month
    Delivery Time : Within 35 Days After Order Confirmed And Down Paymetn Received
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    Prepainted Aluminum Coils with Long Durability for High-Performance Downpipe Manufacturing

    Introduction

    These prepainted aluminum coils are engineered for high-performance downpipe manufacturing, with long durability as a core advantage. Crafted from robust aluminum, they resist corrosion—critical for downpipes exposed to rain, humidity, and outdoor debris—while the prepainted layer locks in color and adds scratch resistance, maintaining appearance over years.

    Their structural stability handles water flow pressure without deformation, and the flexible coil form suits seamless cutting and bending into various downpipe sizes. Ideal for residential and commercial drainage systems, they blend long-lasting performance with easy fabrication, ensuring downpipes deliver reliable water diversion while withstanding harsh outdoor conditions.


    Product Parmaters


    Product
    color coated aluminum coil
    Thickness
    0.2-6.0mm
    Width
    30-1600mm
    Material
    1050, 1060, 1100, 3003, 3004, 3105, 5052, 5005, 5754, 5083, 6061,8081 etc
    Temper
    O, H12, H14, H16, H18, H24, H26, H32, H34, etc
    Inner Diameter
    405mm,505mm,150mm,etc.
    Color
    RAL, Pantone Color Or As Alient's Demand
    Coating thickness
    PVDF Paint Coating: Not Less Than 25um
    PE Paint Coating : Not Less Than 18um
    Packing
    Export Standard Wooden Pallets (Eye To Wall,Eye To Sky)
    Payment Terms
    L/C at sight or 30% T/T in advance as deposit, and 70% balance against the B/L copy.
    MOQ
    2 Tons Per Specification
    Delivery Time
    Within 20 Days
    Loading Port
    Shanghai Port
    Application
    Aluminum Roofing,ACP,Roller Shutter Window,Roller Shutter Door,Aluminum Ceiling,Aluminum Grilling,Aluminum Downspout System,Home Appliance's Plate, body tank of cold chain truck,high speed rail,aluminum pull ring,food packaging,outer packing case of capacitor,external contour of letter channel



    FAQs


    Q:What type of aluminum alloy is used in these prepainted coils, and is it suitable for downpipe manufacturing?​
    A:These coils use high-grade aluminum alloys (typically 3xxx or 5xxx series) optimized for downpipe applications. The alloys offer excellent formability (easy to bend/cut into downpipe shapes) and inherent corrosion resistance, which complements the prepainted layer to handle outdoor drainage environments.​
    Q:How does the prepainted layer contribute to the coils’ long durability for downpipes?​
    A:The prepainted layer is formulated with weather-resistant resins and anti-fade pigments. It acts as a barrier against rain, UV rays, and atmospheric pollutants—preventing aluminum oxidation and color peeling. This ensures downpipes made from the coils maintain structural integrity and appearance for 10+ years in outdoor use.​
    Q:Can these coils be customized to specific sizes or colors for downpipe manufacturing?​
    A:Yes, the coils support customization. Widths can be tailored to match standard downpipe dimensions (e.g., 75mm, 100mm), and color options include common downpipe hues (brown, gray, black) to align with building exteriors. Minimum order quantities may apply based on customization needs.​
    Q:Are the coils easy to process into downpipes, and do they require special tools?​
    A:The coils have good ductility, so they can be easily cut, bent, and formed into downpipe sections using standard metalworking tools (e.g., sheet metal shears, pipe benders). No specialized equipment is needed, which streamlines downpipe manufacturing workflows.​
    Q: Are these prepainted aluminum coils environmentally friendly for downpipe applications?​
    A:Yes. Aluminum is 100% recyclable, and the prepainted layer uses low-VOC (volatile organic compound) resins—meeting global environmental standards. Additionally, the long durability of the coils reduces the need for frequent downpipe replacement, minimizing waste over the product lifecycle.

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