1.Material:Aluminium 2.Thickness:0.06 to 0.14mm 3.DIA: 50 to 315mm 4.Standard length: 1.5m,2m, 3m; 4m(Max) Usages:HVAC system1. Low / medium pressure air conditioning ventilation.2. Various industrial purposes, such as boiler systems, chimney liners etc. Features 1.Self-holding,flexible. 2.non-flammable. easy to install 3. No toxic gases release at high temperature Properties Value Diameter ...