Lincoln Electric's Spatterstop eliminates the sticking of welding spatter to work pieces, jigs, fixtures, nozzles and contact tips. It is compatible with all automatic processes and the gel will not cause weld porosity. The CO2 propelled 500g can is easy to use and can be sprayed at any angle. Spray Spatterstop 30cm from the surface you are protection. Allow to dry 30 seconds before welding.