... tempered glass/ 3.2mm, Transmittance≥91.7% 6. Frame:aluminum alloy, 1mm thiness7. Insulation :PEF 30mm or ... safeThermal efficiency decay can be ignored , prolong life spanIntegrating frame with back board, sealed, reliable, beautiful and applicable Module ... profile, making it visually less obtrusive and compatible with existing architectural designs.ApplicationThe water heating systems for commercial ...