Silicon and Rubber Seal Loop for Solar Water Heater Product Description 1) Diameter: 47mm, 58mm, 70mm 2) Material: silicon Series Number Test ItemRequirement Test Results1Shore Hardness Degree50±5552Tensile Strength Mpa≥7 83Elongation at Break %≥300...

Baoguang high-efficiency vacuum tube,ideal for cold and low solar radiation area use. Excellent absorber coating CU/SS-ALN ensur Baoguang high-efficiency vacuum tube,ideal for cold and low solar radiation area use. Excellent absorber coating CU/SS-ALN by long time...

High quality solar vacuum tube (tri-element coated with excellent absorption rate,longer evacuation time makes tube have high High quality solar vacuum tube (tri-element coated with excellent absorption rate,longer evacuation time makes tube have high vacuum degree,also very low...

Baoguang hitech tri-element plated solar vacuum tube made of extremely strong borosilicate glass material;coated by CU/SS-ALN Baoguang hitech tri-element plated solar vacuum tube made of extremely strong borosilicate glass material;coated by CU/SS-ALN which has top absorbtion...

Hitech tri-element plated solar vacuum tube made of extremely strong borosilicate glass material;47mm,58mm and 70mm dia Baoguang hitech tri-element plated solar vacuum tube made of extremely strong borosilicate glass material;coated by CU/SS-ALN or AL-ALN which has top...

Baoguang tri-element sputtered coating solar vacuum tube,higher absorber performance,ideal for solar water heater and solar col Baoguang tri-element sputtered coating solar vacuum tube,higher absorber performance,ideal for solar water heaters and solar collectors used in cold and...

Heat-pipe is a sealed copper pipe containing a small quantity of volatile liquid with no air.Heat pipe solar vacuum tube Heat-pipe is a sealed copper pipe containing a small quantity of volatile liquid with no air.Heat pipe solar vacuum tube consists of the glass vacuum tube and a...