Blue Coating Solar Absorber
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Blue Coating Solar Absorber
Millionsun manufactures blue coating solar absorbers for OEM partners worldwide.
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: 5%±2%
What We Offer?
OEM Manufacturing Support
Custom Sizes and Structures Support
High-Efficient Blue 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 Blue Coating Absorber Right for Your Product?
You need a blue coating absorber if:
- You want higher efficiency than standard black coating
- You are targeting premium residential or commercial markets
- You targeted market is the weak solar radiation area
Manufacturing & Supply
OEM Manufacturing
Millionsun manufactures black selective absorbers for brands and local collector manufacturers worldwide.
Our Factory
- 8,000 m² Production Facility
- 80+ Employees
- 6 Automated Production Lines
- In-House Absorber Coating Line
- Monthly Collector Output: 20,000 sqm
- Annual Capacity: 220,000 sqm
Supply Options
- Component
- Integrated into complete flat plate collectors
- Custom dimensions
- Private label
Technical Resources Center
Frequently Asked Questions
What is the difference between blue and black coating?
Blue coating has higher absorptivity and lower emissivity.
Can you customise the absorber dimensions?
Yes. We make the absorber as per your requirements.
Do you offer OEM manufacturing?
Is the blue coating suitable for all climates?
How do I place an order?
Request OEM Quotation
Visit Our Factory
Building 14, Baiwang Science and Technology Park, No.40, Chuangxing North Road, Gaobu Town, Dongguan City, Guangdong Province, China




