3003 H24 3105 H24 Prepainted Aluminum Coil for Rain Gutters with Custom Slitting

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3003 H24 3105 H24 Prepainted Aluminum Coil for Rain Gutters with Custom Slitting

Material & Temper: Aluminum Alloy 3003-H24, 3105-H24

Thickness Range: 0.50 mm – 0.90 mm (0.019" – 0.035")

Slitting Width: 260 mm, 300 mm, 330 mm, 380 mm, 400 mm

Coating System: High-durability PE / PVDF (Topcoat 15–25 µm, Back Primer 5–8 µm)

Color Range: White, Chocolate Brown, Charcoal Gray, Black, Brick Red (RAL Customization)

Bending Performance: 0T – 2T T-Bend test without coating cracking

Applications: Roll forming for residential & commercial seamless rain gutters

Sales Model: Direct Manufacturer Export / Wholesale

Min Order Quantity (MOQ): 2 Metric Tons per color/size

Packaging: Sea-worthy Wooden Pallet with Waterproof Paper and Steel Strapping

Availability:

Quantity:



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Product Description

Product Overview

Specially engineered for seamless rain gutter roll‑forming systems, our prepainted aluminum coil delivers outstanding formability, UV stability and long‑term corrosion resistance. Widely adopted for residential and commercial building drainage projects under various global climate conditions.

Functional Attributes & Technical Specifications

Item	Specification
Alloy & Temper	3003‑H24, 3105‑H24
Thickness	0.50 mm‑0.90 mm，tolerance ±0.02 mm
Slitting Width	260 mm, 300 mm, 330 mm, 380 mm, 400 mm Custom precision slitting: ±0.5 mm
Coating System	Topcoat: PE / PVDF 15‑25 μm Back primer: 5‑8 μm
Available Colors	Signal White, Chocolate Brown, Charcoal Gray, Black, Brick Red Custom RAL color‑matching supported
Formability	0T‑2T T‑Bend, no paint cracking or micro‑fracturing
Corrosion Resistance	Passed 1000‑hour Neutral Salt Spray (NSS) test, no blistering or peeling

Product Quality & Inspection

Each batch is strictly tested before delivery to guarantee smooth performance on continuous roll‑forming machines:

Burr‑free Slit Edge

Precision rotary slitting eliminates burrs, avoid feeding jam‑ups and reduce tool wear during on‑site processing.

Superior Coating Flexibility

High‑elastic paint layer remains intact under sharp 90° bending, stamping and hole‑punching; zero flaking or cracking.

Uniform Surface Performance

Consistent color tone and gloss across full coil width & length, no color difference for finished gutters.

Payment & Order Information

Payment Terms:

T/T (30% deposit upon contract, 70% balance against B/L copy); L/C at sight.

Trade Terms: FOB China, CFR, CIF for worldwide ports.

MOQ: 2 Metric Tons per color & per size.

Export‑Grade Packaging & Logistics

Packaging:

Full wrap with moisture‑proof craft paper + plastic film; inner & outer steel corner protectors + heavy‑duty radial steel strapping for reinforcement.

Coil Loading:

Eye‑to‑Sky / Eye‑to‑Wall placement on fumigated wooden pallets.

Shipment:

FCL full container load & LCL less than container load sea freight.

After‑Sales & Quality Guarantee

Mill Test Certificate(MTC):

Supplied for every shipment, compliant with EN & ASTM standards.

Remote Technical Support:

Guidance for coil tension setting, roll‑former calibration and slitting tolerance adjustment.

Quick Response:

Dedicated account manager replies within 24 hours for specification inquiries and quality claim verification.

Our Manufacturing Strength

Production Scale:

6 sets of full‑automatic pre‑painting lines, annual capacity up to 200,000 MT.

Experience:

Professional aluminum coil manufacturer & global exporter since year 2002.

In‑house Custom Service:

Precision slitting, leveling, shearing, custom RAL / Pantone color matching available.

Product Category

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