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Color Anodizd Heat Sink

Rich Color Customization: Available in diverse colors such as black, blue, green, and more through dye or integral anodizing, enabling branding-aligned aesthetics.

Integrated Durable Finish: The anodized oxide layer forms part of the aluminum surface, providing long-lasting resistance to peeling, fading, and scratches.

Enhanced Corrosion Protection: Anodizing significantly boosts resistance to corrosion and wear compared to untreated aluminum.

High Surface Emissivity: The anodized finish elevates surface emissivity (up to ~0.85), improving radiative heat dissipation-especially beneficial in passive cooling systems.

Thermal Integrity Maintained: Unlike paints or powder coatings, anodizing preserves thermal performance since it does not act as a thermal insulator.

Electrical Isolation: The oxide layer increases electrical insulation, suitable for sensitive electronic applications.

Flexible Sealing Options: Post-anodizing, surfaces can be sealed via hot or cold methods to lock in color and further protect against environmental degradation.

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Color Anodizd Heat Sink Product

Customization Capabilities

Our Color Anodized Heat Sink offers full-spectrum color choices and technical flexibility to meet both visual and performance demands in industrial applications.

Color Range: Black, blue, green, red, bronze, silver, and custom hues via dye or integral anodizing
Anodizing Method: Electrolyte dyeing, dip dyeing, or integral coloration
Sealing Technique: Options include hot water sealing, cold sealing, or medium-temperature sealing
Emissivity Level: High emissivity surface (approximately 0.85) for improved radiative cooling
Material Compatibility: 6000-series aluminum alloys commonly used for heatsink extrusion
Corrosion & Wear Resistance: Durable oxide layer protects against environmental and mechanical damage
Shape & Profile: Custom shapes, fin designs, and extrusion profiles available
Batch Color Control: Consistent color across production batches through controlled dye processes
Electrical Insulation: Oxide layer enhances dielectric properties for safe electronic integration

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Why Partner with Sinoextrud for Your Color Anodizd Heat Sink 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.

Color Anodizd Heat Sink-FAQ's

What color options are offered?

A wide spectrum, including black, blue, green, red, bronze, silver, and custom colors via anodizing dyes or integral processes

Does the anodized color fade or peel?

No-the anodized layer is bonded to the aluminum and resists fading, peeling, or chipping

Does color affect thermal performance?

No-the anodized finish maintains heat dissipation and improves radiative cooling, especially in passive systems

How does anodizing compare with painting or powder coating?

Anodizing preserves thermal performance by avoiding insulating layers, unlike paint or powder finish

Can the finish be sealed?

Yes-surfaces can be sealed with hot water, cold, or medium-temperature methods to enhance color retention and corrosion protection

Does anodizing add electrical insulation?

Yes-the oxide layer provides enhanced electrical isolation, useful for sensitive electronic components

Which aluminum alloys are supported?

Standard aluminum alloys (such as 6063) suitable for extrusion are fully compatible

Can you customize shapes and maintain color consistency?

Yes-custom profiles and controlled dye processes ensure both form and visual consistency across production runs

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Sinoextrud: Your Color Anodizd Heat Sink Manufacturer

Color Anodized Heat Sink combines functional durability with aesthetic versatility through advanced anodizing techniques. Its integrated oxide layer ensures a stable, fade-resistant finish that conveys both quality and brand identity.

This product enhances thermal management with improved surface emissivity, especially beneficial in passive cooling applications. It also provides corrosion resistance and mechanical wear protection-ideal for electronics, lighting, and control systems.

Unlike standard coatings, the anodized finish preserves thermal efficiency while offering electrical insulation and visual appeal. It ensures long-term reliability without compromising performance.

Customization spans color, sealing method, shape, and extrusion profile-all tailored to your design and branding requirements. Consistent batch coloring and robust finish integrity make it a superior choice for industrial and consumer-grade applications.

Color Anodizd Heat Sink : The Ultimate FAQ Guide

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