WebFeb 8, 2012 · The active chemical in brake cleaner is tetrachloroethylene. When this chemical is exposed to excessive heat and the gas argon, which is used in MIG and TIG welding, it produces phosgene. Phosgene gas can be fatal with a dose as little as four parts per million: basically a single small puff of smoke. WebJun 20, 2024 · The chlorinated brake cleaner carries a danger warning in a red box on the label that states: “When exposed to extreme heat, vapors may decompose to corrosive and toxic gasses such as hydrogen chloride and possibly phosgene. Avoid breathing.”. Wylie …

Warning: Cleaning Solvents Can Produce Poisonous Phosgene Gas

WebChlorinated brake cleaner containing tetrachloroethylene will, on exposure to high temperatures (above 500 °F (260 °C)) or strong UV light, decompose into phosgene and hydrogen chloride, both of which are ... Applying the carbon dioxide causes electrostatic discharge by the expanding gas. The dust and harmful brake dust is not bound in the ... WebSep 2, 2009 · It's unlikely that he was reacting to phosgene. Phosgene acts in that it decomposes to hydrochloric acid in the presence of water - it would also cause burning to mucous membranes. Chlorinated solvents, however, can have neurological effects as they are central nervous system depressants. gear trax2016

Brake cleaner and welding - warning... MIG Welding Forum

WebSep 2, 2016 · Phosgene was used as a chemical warfare agent in WW1 and more recently in the Middle East. Stay away from any brake cleaner that is chlorinated. you can still buy both chlorinated and non-chlorinated. Chlorinated brake cleaner has been banned in some US states but you can still get it here. The CRC brand stuff is available in either … WebJan 9, 2010 · Discussion Starter · #1 · Jan 8, 2010. This may have been posted before but I just found out about so I thought I would pass this very important message along. Brake clean when heated say while welding will emit a very dangerous gas. here is the link Brake Cleaner = Phosgene Article. I use brake clean all the time and easy could have done this. WebAug 31, 2009 · Methylene chloride (an active ingredient of spray gasket remover), tetrachloroethylene (dry cleaning fluid) or tetrachloromethane (aka "carbon tet") all will soften RTV's, but they are not without their own problems- the vapors as well as physical contact have to be avoided. gear trax 2019