VacuumtubesSS/CU/AL-N AL selective coating,58X1800mm glass tube, 1.6mm thickness 58X1800mm glass tube, 1.6mm thicknessInsulationGlassfabric,32mmOutercovermaterialandthickness:aluminumalloy,Thickness2.0mmDiameterandthicknessofheaderpipe:Ø35mm,T1mm,coopermanifoldHeatpipeHighstandardTU1Copper,L1700*Ø8*T0.6mmAluminumfinslengthandthicknessL1620mm,T0.275mmBracketmaterialandthicknessFlexibilityforflatorsloperoof,Aluminumalloywith2.0mmthicknessCaliberofcoopermanifoldØ22mmThickness0.8mmAnti-freezing>-35degreeSealHighqualitysiliconerubberpolymerFAQ
1.Packing:Standard export cartonwith foam or wooden box, Wooden Box Packing for Sample2.Shipping:3 days for sample, 10 days for 20/40 container.3.MOQ:Sampleisavailable4.Warranty:10yearsguaranteeforwholesetsolarwaterheater5.Portofdeparture:ShanghaiorNingbo
6.Supplyability:5000setspermonth
7.life time : more than 20 years