Code: 15403005 WEICON Leak Detection Spray is used for the safe, simple and fast detection of cracks or leaks in gas lines. The spray can be used safely with carbon dioxide (CO2), propane, butane, acetylene, oxygen, town gas and natural gas, nitrogen, nitric oxide (N2O) and hydrofluorocarbon gases. Leak Detection Spray with a thick consistency is not flammable. It can be used everywhere where compressed air or gaseous substances are worked, for example, with pipelines, hoses, fittings, armatures, valves, connection apparatus and adapters.