SRA Solder 135 Rosin Paste Soldering Flux For Electronics, No Clean Flux Made for Lead and Lead-Free Solder Circuit Boards and Copper Electrical Wire - Safe Clean Residues with No Goopy Mess (2oz Jar)

The quantity of this product is amazing for the price. You only need a very small amount to get most jobs done, so this will last me quite a while. This is so easy to use and works fast. It’s not too thick and not too thin rather just right. I used this product to help me clean the ends of a tape measure I sanded for my ham radio tape measure antenna. This enabled me to solder the cable wires to the tape measure with ease. The joint bonded much stronger with the use of this flux. I highly recommend this for both those new to soldering and seasoned soldering experts.

I like SRA products I have never been disappointed. Used this already to reflow a chip in a car radio with known issue of the chip detaching to the point of radio not working. Did a fantastic job, and reflowed existing solder to a nice shiny result. All is well now, a leaves no leftover residue either!

You get so much for so cheap. Works well and joins the solder perfectly.

Seemed to work fine. But has issues with the quality of metal so couldn't get a good solder. But I don't think it was a fault of this solder.

works on lead and non leaded solder I used on both types of solder with excellent results good price i found less is best I did clean solder joints once cooled I noted container which solder comes in looks to be robust for storage. If needed I'll buy this brand again

This soldering flux worked just as I expected. Perfectly. Container was large enough to last a nice amount of time but not large enough to be a hindrance while in use. Shipping was quick.

I'm new to soldering and it was recommended to me that I use flux when I solder because I was having such a hard time with it. Flux makes the solder smooth like butter. The solder instantly melts when it touches an area heated with flux. Before it seemed like it was taking forever for the solder to melt and when it did it instantly got hard again. Flux made it easy. Like applying hot butter onto a piece of toast.

Works well Helped the solder flow easily Earwax consistency

This is good flux

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I used one of those cheap fluxes and boy oh boy what a difference! However it's best to use it by putting it first into a syrnge equipped with a hollow needle of about 0.7 - 1 mm inner hole diameter. That will help immensely with the application

Excelente

This rosin paste flux works well for soldering. It helps the solder flow smoothly, resulting in clean joints. The jar size is good for my hobby use.