SunMate Solar Invented the Special Bending Design Extrusion Aluminium Frame for solar collector.
The main purpose of the special frame is:
*To prevent the water penetration into the frame;
*To allow proper breathing function for let the humidity inside of the panel go outside.
*Specially good for Southeast Asian Market because the installation angle of flat collector is small there and Southeast Asia usually has long period of rainy season.
*The design details of the special bending frame:

*Collector under rainy test:

*Breathing function test
Insert water 200g water into the panel and watch the breathing function in a sunny day.
