Product Overview
Aluminum cooling fin profiles from Ruhai integrate dense parallel fins into device housings and enclosure walls, turning the case itself into the heatsink.
One-piece extrusion means no thermal interface between fins and enclosure — better heat transfer than bolted-on heatsinks at lower assembly cost. Blue, black or natural anodized finishes for electronics styling.
Key Features
- Case-is-heatsink design — fins extruded into the enclosure wall
- High fin density — fin pitch down to 2.5 mm
- One-piece thermal path — no joints, no thermal paste
- Color anodizing — blue / black / natural for product styling
- CNC finishing — pockets, threads and flatness machining
Application Scenarios
Cooling fin extrusions cool sealed electronics:
- Inverters & drives — sealed enclosures with finned walls
- LED power supplies — passive IP67 cooling
- Communication devices — finned aluminum housings
- Medical & test instruments — silent fanless cooling
Configuration Options
- Alloy — 6063-T5
- Fin pitch — 2.5 mm minimum
- Enclosure width — 50-400 mm by die
- Finish — natural / black / blue anodized
- Machining — CNC pockets, tapped holes
- Length — cut to device size
Product Specifications
| Alloy | 6063-T5 |
| Conductivity | ~200 W/mK |
| Fin pitch | 2.5-10 mm |
| Finish | anodized 8-15 um |
| Flatness | CNC machined faces |
| Certificates | ISO 9001 / SGS |
All products are manufactured in our ISO 9001 certified factory and carry CE / SGS certification. Custom requirements are welcome.
Quality Certifications
Ruhai Material is ISO 9001 certified and ships products compliant with CE and SGS requirements worldwide. Material certificates and test reports are available with each shipment.
Frequently Asked Questions
What is the MOQ?
MOQ is 200 kg per profile.
Can you build the complete enclosure?
Yes, we supply finned side walls plus machined end caps as a kit.
What is the lead time?
7-15 days stock dies; 15-25 days custom.
Do you do thermal simulation?
Basic fin sizing advice is included; detailed CFD by partner labs on request.
Which anodizing color cools best?
Black anodized has the highest emissivity; blue is nearly as good and brands better.
Request a Quote
Send us your specifications, quantity and target port — our sales team replies within 24 hours with a detailed quotation. Send an inquiry now.
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