Vanway Precision Materials Tech Co.,Ltd

Black Anodized Aluminum Heat Sink for 12V LED Module
PRODUCT PARAMETERS
Description
Black Anodized Aluminum Heat Sink for 12V LED Module
1. Product Overview Of Black Anodized Aluminum Heat Sink:
Fundamentally, we engineer the black anodized aluminum heat sink for 12V LED modules to provide superior thermal management for compact lighting systems. Specifically, our thermal experts design this precision component to rapidly extract and dissipate the intense thermal energy that high-power 12V circuit boards generate. Consequently, the specialized black anodic coating significantly boosts the radiative cooling capabilities of the base metal. Ultimately, this robust thermal profile actively protects delicate electronic components from premature failure and guarantees stable lumen output over time.

2. Technical Specifications and Material Data Of Black Anodized Aluminum Heat Sink:
Undeniably, precision manufacturing demands exact data. Accordingly, the table below details the specific mechanical and thermal properties that our black anodized profiles consistently deliver.
Core Engineering Parameters
| Specification | Standard Value | Verified Data Source |
| Material Grade | 6063-T5 Premium Aluminum Alloy | ASTM B221 Standards |
| Surface Finish | Type II Black Anodized Coating | MIL-A-8625 Anodic Coatings |
| Thermal Conductivity | 200–210 W/m·K | MatWeb Aluminum Properties |
| Voltage Compatibility | Optimized for 12V DC Systems | IEEE Electrical Standards |
| Manufacturing Tolerance | ±0.1mm Precision Machining | ISO 2768 Tolerances |

3. Application Scenarios Of Black Anodized Aluminum Heat Sink:
Importantly, our black anodized heat sinks serve diverse lighting ecosystems. Thus, they actively support high-performance applications across multiple demanding industries.
Automotive and Marine Lighting
First, electrical mechanics integrate these robust heat sinks into custom 12V vehicle and marine lighting setups. Consequently, the heat sink aggressively manages internal temperatures inside extremely tight, unventilated headlight or cabin light enclosures.
Architectural and Commercial Signage
Additionally, lighting designers frequently utilize these stealthy components for outdoor illuminated signs and retail displays. Therefore, the sleek black finish perfectly hides the mounting hardware in the shadows while the aluminum frame continuously cools the high-brightness 12V modules.
4. Advanced Manufacturing and Processing Methods Of Black Anodized Aluminum Heat Sink:
Naturally, we utilize state-of-the-art production pipelines to build these advanced thermal solutions. Consequently, we expertly control every phase of creation.

Precision Aluminum Extrusion
Initially, our massive hydraulic presses push heated 6063 aluminum billets through custom-engineered steel dies. Subsequently, this high-pressure process creates the optimal fin structure that maximizes ambient airflow.
Automated CNC Machining
Furthermore, our automated 5-axis CNC machines drill precise mounting holes and cut custom lengths. Thus, we ensure installers can easily and securely attach their specific 12V LED modules without secondary modifications.
Electrochemical Black Anodizing
Finally, technicians submerge the raw aluminum profiles in a specialized electrochemical acid bath. Ultimately, this specific black anodizing process permanently hardens the exterior surface and drastically improves the metal’s natural heat radiation capabilities.
5. Core Advantages and Engineering Benefits
Ultimately, integrating our advanced thermal components provides immediate engineering benefits for lighting manufacturers.
Maximized Thermal Emissivity
Primarily, the black anodized surface actively absorbs and radiates heat away from the diode much faster than raw metal. Consequently, it easily outperforms standard mill-finish aluminum in passive cooling environments that lack active fan airflow.
Extended Diode Lifespan
Furthermore, the dense aluminum base rapidly pulls concentrated thermal energy away from the 12V module’s delicate solder joints. As a result, it prevents thermal throttling and safely extends the LED operating life well beyond 50,000 continuous hours.

6. Frequently Asked Questions
Q1: Why do engineers specify a black anodized finish for heat sinks?
A: Engineers choose black anodizing because it drastically increases the metal’s surface emissivity. Consequently, the dark surface radiates thermal energy into the surrounding air much faster than raw, shiny aluminum. Thus, it maximizes passive cooling efficiency for compact modules.
Q2: Can I easily cut this heat sink to a custom length on-site?
A: Yes, installers quickly cut the aluminum profile using a standard miter saw or hacksaw. Specifically, we recommend using a fine-tooth carbide metal blade to achieve the cleanest edge. Consequently, you easily adapt the extrusion for custom project lengths.
Q3: How do installers mount the 12V LED module to the aluminum?
A: Installers typically use thermally conductive adhesive tape or small machine screws to secure the module directly to the flat base. Furthermore, our factory optionally pre-drills custom mounting holes using our precision CNC machines. Therefore, you enjoy a remarkably seamless and rapid assembly process.
Q4: Does the black anodized layer provide electrical insulation?
A: Yes, the anodic oxide layer naturally acts as a strong electrical insulator. Consequently, it actively protects the 12V circuit board from accidental short circuits if a wire touches the metal frame. However, electricians must still follow proper wiring and grounding protocols.
Q5: Will the black color fade when placed in direct sunlight?
A: No, our Type II electrochemical anodizing process permanently alters the molecular structure of the aluminum surface. Therefore, the deep black color strongly resists UV degradation and completely prevents cosmetic fading. Ultimately, the component maintains its premium, professional appearance outdoors.
Q6: Which specific aluminum alloy do you use for this product?
A: We primarily manufacture these thermal profiles using premium 6063-T5 aluminum alloy. Specifically, this high-grade material provides an exceptional balance of structural strength and thermal conductivity. Thus, it consistently performs perfectly in demanding commercial lighting applications.
Q7: How much total heat can this specific profile dissipate?
A: The exact thermal dissipation metric strongly depends on the final cut length and the ambient environmental airflow. Generally, our standard profile effectively manages high-density 12V modules running between 10 and 30 watts. Our thermal engineers readily calculate precise thermal limits for your unique design layout.
Q8: Can Vanway-tech produce custom profile shapes for new projects?
A: Absolutely, our dedicated engineering team regularly designs custom extrusion dies for unique 12V LED modules. You simply send us your initial CAD drawings or thermal dissipation requirements. Subsequently, our factory rapidly manufactures your exact custom profile to strict specifications.
7. Partnering with Vanway-tech: Your Premier Manufacturing Partner
Notably, Vanway-tech leads the global market as a premier manufacturer of extruded aluminum heat sink profiles. Because we completely own and operate a fully integrated production facility, our engineers expertly control every manufacturing step from die creation to final surface treatment. Consequently, our dedicated team continuously delivers cost-effective, precision-machined thermal solutions that empower global lighting brands to achieve superior product reliability and dominate their respective markets.

Vanway-Tech: Your trusted partner for superior
Aluminum Extrusion Solutions from China.
Vanway Precision Materials Tech Co.,Ltd is a trusted leader in premium aluminum extrusion profiles. It offers custom, industrial, architectural options, angle, channels, tubes and precision extruded products for industrial, infrastructure and downstream sectors.
With years of expertise in aluminium fabrication and extrusion design, we are committed to continuous innovation in custom aluminium profile solutions, delivering reliable OEM & ODM services across the entire aluminium industry. We provide precision anodized and powder coated aluminium extrusions to meet the diverse demands of international clients in construction, renewable energy, automotive, furniture and machinery sectors.
Established in 2015, our advanced production base is equipped with cutting-edge extrusion presses, CNC machining centers and automated production lines, supported by strict quality control systems for dimensional accuracy and durability. This ensures our custom aluminium extrusions feature superior precision and efficiency, ideal for curtain wall frames, door & window systems, industrial assembly lines and infrastructure reinforcements.
Contact Vanway Tech today for tailored one-stop aluminium extrusion solutions.
FAQs
Yes, we specialize in custom aluminum extrusion profiles based on 2D/3D drawings (STEP, IGS, DWG). We support complex cross-sections, strict dimensional tolerances (±0.1mm for critical parts), and tailored alloys (6063/6061/6082). We provide free mold design evaluation for bulk export orders of custom industrial aluminum profiles and architectural aluminum sections.
We offer full surface finishes for global markets: anodizing (clear/color), powder coating (RAL colors), electrophoresis, polishing, sandblasting, and fluorocarbon coating. All treatments enhance weather resistance, durability, and appearance for aluminum window profiles, curtain wall aluminum profiles, T-slot industrial aluminum profiles, and heat sink aluminum profiles for overseas buyers.
We support custom size aluminum profiles for export with cross-sections from 10mm×10mm to 300mm×300mm, wall thickness 0.8mm–10mm, and length up to 6 meters (or cut to your required length). Available cross-sections include T-slot, hollow tube, L-angle, U-channel, and complex custom shapes (per 2D/3D drawings). Our precision aluminum extrusion dimensions (tolerance ±0.1mm) suit architectural curtain walls, industrial frames, and solar panel aluminum bracket profiles.
The standard MOQ is 500–1000kgs per profile; we accept lower trial quantities for new export customers. We support mixed container loading of various aluminum extrusion profiles (industrial, architectural, LED, door & window) to optimize shipping costs and reduce inventory pressure for importers.
Standard stock aluminum profiles ship in 7–10 days. Custom aluminum profile extrusion with new molds takes 20–25 days (mold fabrication + production). Bulk export orders (FCL/LCL) arrange shipment in 25–35 days, with timely updates on production, inspection, and container loading for global buyers.
We use export-standard packaging: pearl cotton, kraft paper, plastic film, and fumigated wooden crates/pallets to prevent scratches and damage during sea/air freight. We support FOB, CIF, CFR, and DDP terms, with professional loading plans to maximize container utilization for long aluminum profiles and irregular custom sections.
All our industrial & architectural aluminum profiles comply with CE, EN755, EN14888, ASTM B221, AAMA, and RoHS directives. We provide full test reports, material certificates, CO, and commercial invoices to smooth customs clearance for aluminum profile exports to Europe, North America, Southeast Asia, and Oceania.
All profiles pass rigorous testing: dimensional inspection (CNC coordinate measuring machine), tensile/elongation tests (ISO 6892-1), salt-spray corrosion tests (1000+ hours, ASTM B117), surface finish adhesion tests (ASTM D3359), and color fastness tests (ISO 105-B02). For key projects, we provide third-party (SGS/BV/Intertek) test reports. Our quality-checked export aluminum extrusion products meet ASTM, EN, and AAMA standards for consistent performance in global markets.

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Email: info@vanway-tech.com
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Address: No. 588, Wuyi South Road, CSJ Moldware Town, Wujin, Changzhou, Jiangsu, China
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