![]() ![]() Such flux tends to erode over time the metal solder joints. Do not pick the flux pastes that directly specify that they are not suited for electronics.Īcid-core flux products for electrical work have to be skipped. For electrical soldering, you should check the compatibility of the flux product with the metals used in your devices. The Buyer’s Guide Typesįor electronic devices, 3 major types of soldering fluxes are widely used: rosin-core flux (RF), mildly activated rosin (RMA), and water-soluble flux (WSF). A must-have product for soldering silver alloy solders to work with. It has a very affordable size that will serve for a very long time period. The melting point is too high – above the silver solder products.SRA Rosin Soldering Flux Paste– the best for the temperature range! Video Tutorial: How To Solder with Flux.Gel, paste or liquid flux for soldering: what to pick?.Major types and uses of fluxes for soldering.What can I use instead of flux to solder?.Can you use water-soluble flux for electronics?.How do you use flux when soldering electronics?.Which flux is used in electronics micro soldering?.Best Flux For Soldering Electronics FAQ.Harris SSWF1 Stay Silv Flux – the best for capacity!.Novacan Old Masters Flux – the best for stained glass works!.LA-CO 22101 Regular Flux Paste – the best for copper soldering!.ChipQuik SMD291 No-Clean Tack Flux – best solder flux paste for electronics and rework!.SRA Rosin Soldering Flux Paste– the best for the temperature range!.Consult the SDS for the brand of material you are using and keep it on file to make sure you are protecting yourself properly. The bottom line is that it is important to protect yourself from ingesting or breathing lead dust or acid fumes that can compound over time and damage your health. Summary of Protection Recommended during Soldering ![]() Using common zinc chloride-based stained glass flux? This type of flux is corrosive to skin, eyes and internal organs. Simply using a rosin core solder wire? The rosin flux is listed by OSHA as only an “inhalation sensitizer”, but Lead is listed as a carcinogen. Look for a respirator that is rated to filter acid gases. It is, however, recommended that fume extraction be used and/or a respirator type of face mask is worn (N95). Most of these fumes escape in the air, but if you are close enough to the solder joint you could breathe in some of these fumes.Įach flux mixture has it’s own Safety Data Sheet (SDS) available from the manufacturer or vendor describing the hazards and the precautions to take. ![]() During the soldering process, fluxes are heated to the reflow temperature of the solder, converting some of the flux ingredients to gas fumes. In applications where there are large amounts of leaded parts that handled, the lead dust could also become airborne and would require wearing a safety mask.įluxes are chemical mixtures containing acids, sometimes solvents and other chemicals. This same situation would apply in battery manufacturing, gun ranges (leaded ammunition) and other industrial applications. So, for most users’ soldering applications, it’s the dust or residue from touching the solder itself that can cause a health issue. Solder metal will only create fumes if heated above ~ 1200☏, which won’t happen in normal soldering applications whether using a soldering iron or a pot. ![]() It is preferable to wear gloves, and leave the gloves on the bench or wear disposable ones. Therefore, it’s critical that you wash your hands with soap and water whenever you step away from the workbench. This is the route in which lead can get into your system, as most exposure to lead occurs through breathing or eating. It’s important to note that if your solder contains lead and you hold the solder wire or bar, you will get lead dust on your hands. When soldering, most people do not wear gloves and hold the iron and solder wire by hand. Flux, an acid mixture, is always used in conjunction with the solder to permit the molten solder to bond with the surfaces being joined. Solder is used in many industries from electronics and sheet metal to stained glass. ![]()
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