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Rosin solder flux fume

Fume released when rosin or colophony solder flux is heated during soldering.

Airborne form

fume

The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.

Health effects

occupational asthmaasthma attacksrespiratory sensitization

Evidence

HSE states that serious health problems can arise from inhaling rosin or colophony derivatives in solder fluxes and that rosin-based solder flux fume is a significant cause of occupational asthma; fully developed effects can be permanent and irreversible.

Source: html ↗ · saved source
Electronics (soldering) · 4
Serious health problems can arise from inhaling the fume from rosin (sometimes called colophony) or its derivatives contained in solder fluxes. ... Rosin-based fluxes ... [are] one of the most significant causes of occupational asthma in Britain. When the asthmatic effects are fully developed they are permanent and irreversible.

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