leaded flux
[/ˈlɛdɪd flʌks/]
nounpl: leaded fluxes
fluxo com chumbo
1. A chemical substance used in soldering that contains lead compounds to facilitate the melting and bonding of solder to metal surfaces
The technician applied leaded flux to the circuit board before soldering the components.
O técnico aplicou fluxo com chumbo na placa de circuito antes de soldar os componentes.
2. A corrosive or non-corrosive agent mixed with solder to improve wetting and adhesion during the soldering process
Leaded flux helps prevent oxidation during the soldering operation.
O fluxo com chumbo ajuda a prevenir a oxidação durante a operação de soldagem.
Leaded flux was historically the standard in electronics manufacturing and soldering but has been largely replaced by lead-free alternatives since the early 2000s due to RoHS (Restriction of Hazardous Substances) directives in the EU and similar environmental regulations worldwide. In Brazil and Portugal, the term 'fluxo com chumbo' is still used in historical contexts and specialized repair work, though new manufacturing processes predominantly use lead-free formulations.
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