Code: 11651400-39 WEICON Leak Detection Spray is used for the fast, easy and reliable location of leaks (cracks or porous spots) in pressurized pipes. Leak Detection Spray does not reveal any hazardous compounds with carbon dioxide (CO2), propane, butane, acetylene, oxygen, city gases or natural gases. Leak Detection Spray is used when compressed air, natural or liquid gases are treated and leak points are in fittings, threaded joints and can be used when it occurs in connections. It greatly contributes to the safety of pneumatic brakes and gas lines.