high quality,aging-resistance,corrosion-resistance,and etc. Technical specifications:1) Usage: for charge air, coolant and water, on intercooler, ... request 6) ID dimension tolerance: ±0.2 - ±0.5mm 7) Wall thickness: 2.8 - 5.0mm8) Average layers of reinforcement: 4 ... ply (5mm wall) 9) Packaging: high standard packaged 10) Shipment terms: CIF, FOB11 ...