How To Make Soldering Flux Paste

If you apply too little the joints will not be strong and break easily.

How to make soldering flux paste. Removing any oxidized metal from the surfaces to be soldered. If lumpy u need more flux gel work it smooth. It seals out air thus preventing further oxidation and by facilitating amalgamation improves wetting characteristics of the liquid solder.

Makes a bit more than 1 cc of solder paste. Place the part using tweezers or vacuum pick tool. To make liquid soldering flux gather all the components firstThen make sure that lemon are you using is fresh so that it can give more citric acid than usual.

Cover the container and allow the mixture to sit for at least 8 to 12 hours. Table salt is one ingredient of homemade silver soldering flux. In the soldering of metals flux serves a threefold purpose.

I am wondering if anyone has any experience with diluting flux paste into a less viscous form using isopropyl alcohol. First put the solder paste on the pads and then use an needle or dental pick to carefully move excess on to the pad or remove it. Some fluxes are corrosive so the parts have to be cleaned with a damp sponge or other absorbent material after soldering to.

Well get you started and dont miss the giveaway at the end of the video. Choosing which kind of iron to use depends on how long and how controlled you wish for the soldering iron to be in temperature. The stencil allows you to apply solder paste only in the areas you want.

Mix together 60 ml 2 fl oz Borax 60 ml 2 fl oz TSP and 90 ml 3 fl oz of boric acid in a pan. Add your solvent start with a small amount and keep adding until you are happy with the way your flux behaves. For flux for electrical soldering use rosin-based flux to make solid joints.