Chip Quik SMD291AX Solder Paste no clean 63Sn/37Pb in 5cc syringe 15g

I've been able to use the same syringe of this flux for years, storing it in the refrigerator. I've had better results with this flux than others when stenciling. The solder seems to reflow more easily and the components stay put when using a hot air iron at low air velocity. Throw it in the refrigerator for a bit, or it will tend to stencil into small puddles instead of well-formed shapes. In my opinion, it's the best.

works well on wires not pc boards

I've tried buying larger syringes, and even a container of this stuff. But, I don't use it enough to justify the larger containers. This is a good SMD paste in a container that's right-sized for my needs.

Great for reflow or hot air station. Lower melting temp. than unleaded solders, but balls up and goes bad quickly. Use within the first few months. Because of the pooling under components, not sure it's a time saver, compared to just running across the pins using a soldering tip. Still, useful even useful for that method, since can be applied first, and then component pressed all the way to the pads before soldering. Then running tip across each pin will melt the solder paste below and complete the joint.

I accidentally bumped the batter connector off of an iPod Classic, and could not get the pads properly soldered with a normal spool of solder and looked into alternatives. It has been well over a decade that I had to solder some SMDs, so I forgot about liquid solder/solder paste and after seeing a couple Youtube videos using it I figured it is much cheaper than replacing the logic board, so if it doesn't work, no big deal. I was able to clean off the pads and put a drop of paste on all three pads and easily solder it back down with a wide tip. Since I didn't have good precision tweezers, I had a small bridge between two pins, which I was able to eventually get cleaned up. By no means meant as a problem with the paste, but just be careful not to use too much. :)

This solder paste is good quality. This solder reflows great. I've been able to reflow fine-pitch QFN components in a cheap modified T-962 oven with consistent results. Lead-Tin solder is one of the best kinds for reflow, but be careful with the fumes. I use a fume vacuum or open the door to the outside world.

Might be a little too good but as the flux starts to dry out, it will still be good. Very fluid now but worked well on the first try. 10mil BGA pads to large 1210 pads. It all worked well. Cleaning up wasn't bad at all. We had some Kester that had a ton of the white film that was hard to clean up. This is our new go to. SRA was but they have shipping issues now. I was concerned about the T3 as T5 was better for the small pads.

As the old saying goes, "a little goes a long way". I practiced soldering using an old SMD based VGA card, removing components, solder wicking the pads, applying this paste, setting the component in place and heating it with my hot air workstation. It's satisfying to see the grey pasted suddenly flash into a silvery mercury--like liquid, and seeing it pull into the pads to form a perfect solder joint. Just a tiny pin dot of the stuff on each solder pad is all you need. Any more than that and you'll need to wick away the excess as it forms solder bridges. After I made several successful chip replacements on the test board, I tackled my expensive audio analyzer relay replacement. This paste made short work of it. Highly recommended.

La pâte est précise et fonctionne à merveille... ce n'est pas un produit pour débutant car si mal appliqué ou en trop grosse quantité, ça peut créé un court-circuit... pas assez, la soudure ne tiendra pas. Somme toute, excellent produit, je recommande.

This paste contains lead, but sometimes it's a necessary evil in order to get decent solder joints. Just be careful when using it- wear gloves, clean up afterwards and perhaps even wear a face mask to prevent breathing in the fumes.

Heats up and flows more or less as expected, with the odd bit of solder flying off. Make sure to clean up with isopropyl alcohol after use.

I had bought this ages and ages ago but had never found a use for it. Finally did some reflow soldering and found this stuff to work amazingly. Instructions for use were clear, melt was good and final performance seems to be as good as my hand soldering. Definitely would recommend.

Travai très bien