Instantaneous Efficiency Curve

η0G=0.819(Test result from certified third-party laboratory)
Collector Model use for test: STE-2C-AO-F 
Aperture area used for curve:1.904m 
Solar Irradiation level: c. 900W/m2
Feature & Advantage
1) Standard or OEM size available.
2) Full back embossed aluminum plate features both high aesthetics and anti-corrosion.
3) The special bending extrusion aluminum frame provides a robust construction with absolute tightness.
4) Low-iron tempered textured glass provides excellent strength, anti-glare surface with 92% solar transmittance.
5) High density eco-friendly double layers thermal insulation achieved with back and lateral PU foaming & whole packaged fiber glass.
6) High efficient absorber, excellent insulation layers and seamless casing work together to create a perfect high performance flat plate solar collector.
Product Parameters
| Model No. | STE-C-AO-F | STE-C-BC-P | STE-C-BS-P | STE-C-BS-L | 
| Dimension | Length*Width*Thickness | 1000/1500/2000*1000/1250*80/95mm | 
| Absorber | Header Tube (Copper Tube) | Φ22/25*δ0.5/0.6mm | 
| Riser Tube (Copper Tube) | Φ10/15*δ0.5/0.6mm  8/10pcs | 
| Max. Working Pressure | 0.8Mpa | 
| Absorber Coating | Anodic Oxidation | Black Chrome | Blue Selective (Tinox or Domestic Made) | Blue Selective  (Tinox  Made) | 
| Absorber Material | Aluminium Strip | Full Aluminium Plate | Full Aluminium Plate | Copper Plate | 
| Absorber Material Thickness | 0.5mm | 0.4mm | 0.4mm | 0.2mm | 
| Welding Method | Fusion Bonding | Package Ultrasonic Welding | Package Ultrasonic Welding | Laser Welding | 
| Insulation | Layer one:PU Foaming | 40kg/m³ Density  / 10mm Thickness | 
| Layer two:Fiber Glass | 24kg/m³ Density  / 30mm Thickness / Aluminum Foil Full Packaging | 
| Cover | Material | 3.2mm Thickness /  Low-iron Tempered Textured Glass | 
| Transmittance | Above 92% | 
| Casing | Frame | Special Bending Design Extrusion Aluminum Frame | 
| Frame Color | Silver / Champagne / Black | 
| Frame Thickness | 1mm | 
| Back Plate | Embossed Aluminum Plate | 
| Sealing | Silicone Glue |