Black Coating Solar Absorber
Manufacturing & Supply

Black Coating Solar Absorber

Millionsun manufactures black coating solar absorbers for OEM partners.

We adopt two mature and reliable welding processes for solar absorber core production: back-side ultrasonic welding or laser welding, to meet different customer application and quality standards.

Coating’s Optical Performance:

  • High absorption rate: 95%±2%
  • Low emissivity: 8%±2%  

What We Offer?

OEM Manufacturing Support

Custom Sizes and Structures Support

High-Efficient Black Selective Coating

Ultrasonic Welding & Laser Welding Optional

Back-side ultrasonic welding or laser welding

No Heat Damage to Coating During Welding

Key Features & Performance

Back-side ultrasonic welding and laser welding optional

Designed to avoid damage to the selective absorber coating.

Silver-Copper Tube Joints

Pipe-to-pipe connections use silver-copper welding. Good flow and corrosion resistance.

Absorber sheet materials

Copper fin and aluminium sheet absorber as options

Custom Sizes Available

Dimensions can be adapted to your collector design.

Is a Black Coating Absorber Right for Your Product?

You need a black absorber if:

Not sure? Tell us about your collector design and target market.

Manufacturing & Supply

OEM Manufacturing

Millionsun manufactures strip absorbers for collector manufacturers worldwide.

Our Factory

Supply Options

Frequently Asked Questions

What is the difference between black chrome and blue coating?
Both have similar absorptivity (95%), the emission rate black coating 8% & blue coatting 5%. Black coating is more cost-effective.

Custom sizes available.

Yes. Custom absorber designs and dimensions available.

Contact our team with your specifications and volume requirements.

Request OEM Quotation

Receive customized pricing based on your branding, configuration, and volume requirements.
No order too small, no project too complex. 20 years of OEM experience — your brand, our expertise.
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