How To Make Soldering Flux Paste

In previous videos we compared different types of commercial flux but did you know its possible to make a simple and effective flux at home.

How to make soldering flux paste. Only two ingredients are required. To make a larger quantity double the ingredients -- but always maintain the 223 ratio. Metal workers artists and crafters all rely on flux to complete many of their projects.

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. For plumbing joints recommended acid flux when soldering pipes because acids are more prone to remove oxide layers. Flux is a wonderful goo that makes soldering faster and easier.

Dip the end of a toothpick into the silver solder paste with flux until you cover the end generously without the paste dripping from the toothpick. Its my understanding that generally flux is just 25-85 rosin dissolved in 75-15 isopropyl. You dont need to be precise.

Once heated to the correct temperature the. Good for perhaps 200 smd joints. Place the rosin inside the jar if you cant wait for it to dissolve youd want to grind up the crystals to a fine dust this will vastly improve the time it takes to dissolve from hours to minutes.

The tip of the iron is then heated up in order to melt the solder paste. I am waiting for a shipment of liquid flux currently and was just curious if this is a feasible hold-over. For flux for electrical soldering use rosin-based flux to make solid joints.

You have to make sure that you apply the required amount of solder paste. Solder paste flux serves a threefold purpose. Squeeze the Lemon into a cup jar STEP 2.