The support straps system of spaceborne radiant coolers requires thermal isolation and it requires to remain high stiffness and strength in order to ensure the radiant coolers structural integrity.These two aspects are contradictory.So the design of support straps system is very important to study spaceborne radiant coolers.This paper compares and analyses the disign principle,structural type and materials choose method of high strength and low thermal conductivity composite support straps system for radiant coolers.On the basis of the support straps performance test,the rational structure dir...