TECHNICAL DATA (includes O-ring and QF Clip) QF Slip Duct, Laser Welded Seam Ø mm Galvanised Steel Construction Longitudinal seam type: laser or plasma welded. Ends QF (Quick-Fit rolled edge). Slip duct Rubber O-ring L QF Clip attached over rolled edge and O-ring. The item inludes: 1 pcs Slipduct 1 pcs Rubber O-ring 1 pcs QF-clip standard Compliance / Rating of Product Components QF Slip Duct, Folded Seam Rolled Edge (nom. mm.) ASTM A527 with a G-90 rating Acetone blend Joka Seal Metal Sealant 2315 Temperature Rating of Product Components °C Slip Duct & QF Clip Galvanised Steel Joka Seal Metal Sealant 2315 Additional Notes O-ring Galvanised Steel Compliance / Rating At temperatures ranging between 200° C and 250° C, the zinc-iron alloy layers in galvanised steel will continue to provide a high level of protection from corrosion. However, there may be some peeling, changes in mechanical properties, and reduction in the corrosion protection. Recommended max. service temperature is 200° C.