![]() That means get in there and get it done, don’t be shy, solder with a controlled level of assertion. I don’t mean aggressive action – we don’t want to melt our piece – but assertive. I believe the soldering process benefits from assertive action. If you have a lot of “goop” or if you evaporate your flux too slowly, you might end up exhausting your flux. That’s because flux is merely a temporary barrier to oxidization (which is what creates firescale) and after a certain amount of heating it no longer works and the firescale starts showing up. Keeping your torch on your piece too long could result in ineffective protection. Once you see the flux clear out – no liquid, no grey bubbles, no movement – increase your flame to make the solder flow. Use a medium to low heat focused on the chips until you see your flux “go clear.” If the chip starts to move, just remove your flame a bit until it settles down, and then resume heating. If you start out with high heat, the boiling is so violent that the solder chip can literally fly off the seam, never to be found again. The water content starts to boil as you apply your torch. This movement is caused by the water evaporating out of the flux as it heats up. I just mentioned the bubbling and bouncing that happens when you have excess paste flux on your piece. It will also take a long time to clear out which makes it less effective. If you have any excess paste on your piece, it will bubble and bounce as it heats up and your chip will move along with it. You only need enough flux to thoroughly coat the area you are soldering. “Goop” is really the number one, most important thing that makes people get frustrated with paste flux. If you’re starting out with Handy Flux paste, you might find yourself frustrated with jumping solder chips, dried out flux, or ineffective protection. Here are nine tips to make it really work for you! I’ve used other types of “flow flux” over the years but always come back to Handy Flux. It’s what I used when I learned to solder and I’m familiar with it. In our classes and at home, I like to use Handy Flux paste flux to prevent firescale along my seam. ![]() Each of them is a little bit the same and little bit different from the others. There are a lot of types of flux to use when you are soldering for jewelry. Tips for Success with Handy Flux Paste Flux ![]()
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