Brake cleaner phosgene gas myth. Brake cleaner manufacturers clearly state the type of brake cleaner on the product’s Mixing brake cleaner and welding can create lethal phosgene gas. Aug 29, 2009 · Additional research is in the wiki "Safety" article: Brake parts cleaner, welding, and phosgene poisoning. . Unfortunately, when applied to hot brake rotors, it can turn into phosgene. When exposed to extreme heat, such as from welding, the tetrachloroethylene turns into phosgene gas. Phosgene gas is created when heat is applied to brake cleaner, making it a potential hazard to welders. How long is there a phosgene gas risk after using brake parts cleaner? I've been reading about not welding anything you've used brake parts cleaner on as it will release phosgene gas and can kill you almost instantly. It's the heat and ultra-violet radiation emitted from the electrical arc the arc in welding that causes the decomposition into phosgene, NOT heat and argon. This is a very dangerous compound that when combusted forms phosgene gas (COCl 2) that is outrageously toxic. Phosgene targets the respiratory system and, depending upon the exposure level, is able to cause a Dec 17, 2025 · As explained in the video, getting brake cleaner on a rusty part to clean it and then exposing it to the intensive energies of the welding process suffices to create phosgene. xfdtb oxp fxu pazmzz khwo djqrc vsoc mxujtj lcdpuv pcejg