General Precautions

Most silver brazing filler metals have either zinc or cadmium in their chemical composition. These alloys have low working temperatures and excellent flow properties; however they should never be overheated.

Overheating is not a good brazing practice as it usually produces poor quality joints as well as it increases the amount of fumes generated in the process – posing a threat to operator´s health. Fumes caused by metals and its oxides are irritating and can be
harmful. Oxide cadmium fumes are particularly hazardous and special equipment may be necessary.

Potential health and safety risks can arise from the brazing process in the following areas:

• Fumes caused by alloys – metal and metal oxides are harmful and equipment may be necessary to extract these during the brazing process.
• Fumes caused by heating the flux.
• Fumes generated by brazing equipment, such as brazing torches, induction machinery, furnaces, and others.

For further information regarding the best practices as to health and safety in your brazing application, please contact Cennabras.

Brazing is known worldwide as a reliable, simple and safe method for joining metals.
Nonetheless, due to elevated temperatures of components being brazed and volatile elements that constitute brazing alloys and fluxes, safety precautions are necessary. Health and Safety of those involved in the brazing process should be the number one priority in order to minimize chances of accidents. This guide can be used for understanding some of the areas of risk within brazing and following your company´s safety and health guidelines is important.