Inner wire spiral: Stainless Steel 316L (S). Outer wire Spiral: Stainless steel 316L (S) Inner lining: PTFE (T) Cover: PVC coated Polyester cloth Description: Aeroflex SST is recommended for delivery and / or aspiration of a large variety of highly corrosive and compatible with PTFE and stainless steel such as Phosphoric acid, Naphtha, Nitric acid in low concentration among others, it is suitable for use in loading and Un loading of tank trucks, wagons, in plants and marine application Features: Comply standard EN13765: 2010 Temperature range: -30 C to +100 C Safety factor: 5:1 Vacuum: 0.9 bar Maximum Length of coil max 30 meter