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Black anodized aluminum extrusion profile with smooth painted surface

Anodized Black Aluminum Extrusion with Durable Painted Finish

Featuring a sleek anodized surface and painted finish, this black aluminum extrusion offers corrosion resistance and modern aesthetics for architectural or industrial use.

  • Material & Temper :

    Custom Aluminum Alloy with Heat Treatment
  • Application :

    Architectural, Decorative Home and Industrial Aluminum Profiles
  • Lead time :

    10 to 30 days
  • Executable Quality Standard :

    GB5237, TS16949, EN12020, EN755, EN573, Or according to customer agreement standards
  • Surface Treatment :

    Anodized Painted
  • Color :

    Black
  • Packaging method :

    Customized according to customer requirements

 

Black anodized aluminum extrusion has become a signature material for contemporary engineers and architects who require uncompromising durability and a refined visual statement. By combining electrolytic anodizing with a premium matte black powder coat, the profile gains a dense oxide barrier and a stylish, non‑reflective surface that remains color‑stable in harsh UV and coastal climates.

Close-up of durable painted black aluminum extrusion used in framing

Our anodized black aluminum profile begins with high‑purity 6063‑T5 billets. They are precision‑extruded through CNC‑cut dies under strict thermal control, creating profiles with uniform grain and minimal distortion. Immediately after extrusion, each bar undergoes multi‑stage alkaline & acid cleaning, anodizing, colouring and sealing, forming a 10‑15 µm oxide film. A fully automated powder booth then applies an environment‑friendly matte black resin that is oven‑cured for superior adhesion. The result is a durable black aluminum extrusion that marries structural integrity with luxury aesthetics. This dual‑protected surface tolerates marine fog, industrial fumes and daily abrasion, making the profile indispensable for curtain‑wall grids, display systems, server racks and bespoke furniture trims. Its understated deep‑black hue coordinates effortlessly with glass, wood or stainless steel, elevating both exterior façades and interior décors.

 

Technical Specifications

This black anodized aluminum extrusion catalog supports rapid prototype runs as small as 30 kg per size and scales seamlessly to container‑load volumes, making it ideal for both niche fabricators and multinational contractors.

Item Details
Alloy & Temper Al 6063‑T5 (6005, 6061 available on request)
Surface Treatment Anodizing ≥10 µm + Matte Black Powder Coat ≥60 µm
Standard Colour Matte Deep Black (custom RAL / Pantone tones)
Length Options 6 m standard | Cut‑to‑size 50 mm – 6000 mm
Wall Thickness 0.8 mm – 5 mm (±0.05 mm tolerance)
Linear Tolerance ±0.2 mm / m; Twist ≤1 mm / m
Secondary Services Precision cutting, drilling, tapping, CNC milling, kitting, custom packing
Typical Industries Architecture, Electronics, Furniture, Machinery, Rail & Display

 

Key Features & Competitive Advantages

The design of this durable black aluminum extrusion balances performance and brand‑level aesthetics—ideal for projects where colour consistency and surface purity are mission‑critical.

  • Dual‑Layer Protection – oxide film + powder coat resist salt‑spray >1,000 h (ASTM B117).
  • Uniform Matte Black Aesthetic – spectrophotometer‑controlled ΔE ≤1.0 between lots.
  • High‑precision extrusion keeps straightness & bow within 0.5 mm every 300 mm for flawless assembly.
  • Lightweight yet rigid, reducing dead load on façades and transport costs by up to 30 % vs. steel.
  • RoHS‑compliant, non‑chromate chemical system; 100 % recyclable aluminum core.
  • Flexible OEM/ODM – bespoke dies, logo engraving, and tailored carton or rack packaging.

 

Common Problems  —  Our Solutions

Common Problems Solution Provided by Black Anodized Extrusion
Coating peel & UV fade after one season 60 µm thermoset powder coat chemically anchored to anodic layer for lifetime adhesion
Corrosion in seaside or chemical zones Anodic barrier (10 µm) blocks chloride ions; powder top‑coat repels acid & alkali
Assembly delays from dimension variance Precision dies + laser inline gauges keep ±0.05 mm tolerances
Batch color mismatch between deliveries Spectro control and retained samples assure ΔE≤1 ensuring façade uniformity
Small‑lot proto & large‑scale ramp‑up conflict Flexible press schedule: 1×20 kg sample → 50 t/month serial supply
ESG & recyclability compliance RoHS chemistry; ≤5 % scrap; closed‑loop recycling documentation

 

Applications & Industries

By uniting minimalistic aesthetics with industrial durability, black anodized aluminum extrusion has become the go‑to material across these demanding sectors.

  • Architectural Systems: mullions, transoms, window frames, and rainscreen sub‑girts
  • Interior Décor: LED light channels, trim strips, shelving fronts
  • Electronics & IT: server racks, power‑supply housings, router chassis
  • Furniture & Retail: cabinet rails, modular shelving, POS displays
  • Exhibition & Signage: knock‑down truss, light‑box borders, kiosk frames
  • Automation & Machinery: safety guards, equipment frames, conveyor tracks

Sunmay aluminum extrusion factory with automated anodizing and painting linesISO 9001 quality certificate for anodized aluminum extrusion manufacturing

Factory Strength & Certifications

We Sunmay supply raw materials to an online vertical anodizing line and two robotic powder spray booths, and then black anodize aluminum profiles. Each billet lot is tracked via QR code from furnace to packing crate, guaranteeing traceability. Daily SPC charts govern dimensional and colour consistency, while a climate‑controlled lab executes adhesion, impact, gloss and salt‑fog tests. Quality system accreditation includes ISO 9001, CE, SGS RoHS and IATF‑16949 for selective automotive programs. Third‑party audits welcome. Video tours and live virtual inspections are available on request.

 

Frequently Asked Questions

1. Which alloy tempers do you recommend for load‑bearing façades?

For standard architectural loads, 6063‑T5 is sufficient. Where higher mechanical strength is needed, we offer 6005‑T6 or 6061‑T6 with identical black anodized finishing.

2. Can I specify a gloss black instead of matte?

Yes, gloss levels from 10 GU (deep matte) to 85 GU (high gloss) are achievable through powder formula adjustment. Our lab will send coated swatches for approval.

3. What is your minimum order quantity (MOQ)?

Prototype MOQ starts at 30 kg per size; regular production MOQ is 500 kg. Mixed‑size consolidation is welcome.

4. How fast can you deliver custom‑tooled designs?

Die fabrication: 7–10 days → Trial run & sample: 5 days → Mass production: 10–15 days. Rush service is available.

5. Do you provide cutting, drilling or kit‑packing?

Absolutely. We offer CNC, tapping, deburring and kit‑packing with barcodes, ready for assembly lines.

6. Are your coatings environmentally friendly?

Our powder is TGIC‑free and heavy‑metal‑free, complying with RoHS and REACH. Anodizing wastewater is recycled through ion‑exchange and RO systems.

7. What testing reports can you supply?

We provide anodic film thickness, coating thickness, adhesion (cross‑hatch), salt‑spray, hardness and color ΔE data with each shipment.

8. Can I visit your plant or arrange a third‑party inspection?

Yes. On‑site audits and remote live video inspections are both available by appointment.

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Sunmay Aluminium

Siyang High-tech Industrial Development Zone, Siyang County, Suqian City, Jiangsu Province
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