TECHNICAL DATA Laser Welded Seam Compliance / Rating of Product Components Product Construction Longitudinal seam type: laser or lockformed. Ends QF (Quick-Fit rolled edge). Temperature Rating of Product Components °C Galvanised Steel Joka Seal Metal Sealant 2315 Additional Notes Compliance / Rating Joka Seal Metal Sealant 2315 Acetone blend 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.