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Aluminum Heat Sink Enclosure

High Thermal Dissipation: The extruded aluminum structure-typically using 6063 alloy-provides excellent thermal conductivity for efficient passive cooling in heat-generating electronics.

RFI/EMC Shielding: The full-metal enclosure also provides effective electromagnetic interference protection, making it suitable for sensitive electronic applications.

Wide Size & Length Options: Available in a variety of extrusion lengths and customizable dimensions for versatile application adaptability.

Robust Mechanical Structure: Durable aluminum alloy body with mounting flanges or slots supports secure assembly and installation.

Versatile Surface Finishes: Common finishes include anodized or painted surfaces for improved thermal radiation and aesthetics, while black matte anodizing enhances radiative cooling.

Multi-sector Compatibility: Engineered for electronics, medical devices, power amplifiers, and industrial control equipment.

Customization Support: Flexibility for OEM/ODM such as cutouts, mounting features, and color matching to fit specific client requirements.

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Aluminum Heat Sink Enclosure Product

Customization Capabilities

We offer a full suite of customization options tailored to meet professional B2B needs, ensuring each enclosure precisely fits the intended industrial application.

Length: Custom extrusion lengths as required by project
Wall Thickness: Adjustable within approximately 0.8 mm to 5.0 mm gauge range
Material Alloy: Options such as 6063 or other 6000-series aluminum alloys
Surface Finish: Anodizing, electrophoretic coating, powder coating, or matte black for heat radiation
Mounting Features: Integrated flanges, slide-in slots, or rack-mount adaptations
CNC Machining: Custom cutouts, holes, or portals via precision milling
Color Matching: Custom paint or anodizing colors to satisfy corporate branding

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Why Partner with Sinoextrud for Your Aluminum Heat Sink Enclosure Needs?

We are more than just an aluminum profile supplier — we’re your efficient, reliable, long-term partner.

With Us, You Get:Faster turnaround，Stable quality，Competitive pricing，End-to-end support.

Large-Scale Manufacturing：Our factory spans 1,000 mu (about 667,000 m²), with full in-house capabilities from aluminum smelting and billet casting to extrusion, surface treatment, and CNC machining.

One-Stop Solution：With 43 extrusion lines (500–5500 tons) and a dedicated mold partner, we provide fast production, custom profiles, and integrated services to simplify your supply chain.

Quality You Can Trust：Strict quality control ensures consistent dimensions, strength, and finish, reducing your risk and increasing reliability.

Fast Delivery & Cost Efficiency：Self-produced billets, in-house processing, and batch production mean faster lead times and lower overall costs.

Advanced Finishing Options：Anodizing and both vertical and horizontal powder coating lines deliver durable, high-quality surface finishes tailored to your product needs.

Factory Overview

Furnace workshop

Aluminum bar production

Mold Warehouse

500-5500 Tons Extruder

Spraying workshop

Anodizing workshop

Deep Processing Workshop

CNC Machining Workshop

Finished goods warehouse

Finished goods warehouse

Finished goods warehouse

Export warehouse

5500 Ton Extrusion Press

Aluminum extrusion press

Large Aluminum Extrusion Line

Aluminum extrusion production line

Extrusion workshop

IATF 16949 Certification

TUV

Finished goods warehouse

Export warehouse

-Standard Packing Option-

* Long bar length profiles 3.0-6.0 meters*

Protective Film

Shrink Sleeve

Brown Paper

Craft Paper

* Short bar length profiles 0.3-3.0 meters*

EPE Foam

Poly Bag

Wooden Crate

Wooden Case

-Loading & Shipment-

Pallet Loading

Bulk Loading

LCL Loading

Expedited Express

STEPS

How to work with us

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Quote & Estimation
Begin with a thorough evaluation of the design's feasibility, followed by a prompt, detailed estimate.
Sample & Test
Creating a prototype to assess dimensions and ensure the mold's precision aligns with the requirements.
Extrude & Finish
Producing the aluminum profile with pinpoint accuracy to the given specifications and applying desired finishes.
Pack & Deliver
Tailored packaging for the extruded profiles, ensuring safe and efficient loading for prompt delivery.

Aluminum Heat Sink Enclosure-FAQ's

What size ranges are supported?

We offer fully adjustable length and cross-section dimensions to fit various industrial requirements.

Which aluminum alloys are offered?

Standard use of 6000-series aluminum such as 6063; other alloy options may be available on request.

Can we request custom cutouts or machining?

Yes; precise CNC milling for tailored holes, slots, or mounting points is supported.

What surface finish options exist?

Finishes include anodized, powder-coated, electrophoretic, and matte surfaces to optimize heat radiation and durability.

What is the typical MOQ and lead time?

MOQ varies by design complexity; lead time depends on customization; please request a quote for details.

How do you ensure quality?

Our enclosures undergo rigorous inspection, including dimensional checks and surface quality control before shipment.

Are these suitable for thermal-critical applications?

Yes; designed with integral heat-sink surfaces and high-conductivity aluminum to facilitate passive heat dissipation effectively.

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Sinoextrud: Your Aluminum Heat Sink Enclosure Manufacturer

Aluminum Heat Sink Enclosure delivers both structural integrity and thermal management in one durable package. Precision extrusion ensures consistent dimensions and excellent heat conduction performance.

These enclosures are widely used across industries such as electronics, medical devices, and industrial controls-ideal for housing power amplifiers, control boards, or heat-generating modules requiring passive cooling.

Available with multiple surface treatments, including anodized and painted finishes. Particularly, matte black anodizing aids in enhanced radiative heat dispersion, improving overall thermal efficiency.

Complementing heat dissipation, our deep-processing capabilities-like CNC cutouts, flanges, and machining-ensure seamless integration into devices, enabling both form and function.

The combination of robust material selection, customizable options, and fine quality control provides a trusted solution for procurement professionals seeking reliable, high-performance enclosures.

Aluminum Heat Sink Enclosure : The Ultimate FAQ Guide

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