







⚡ Elevate Your Solder Game with Precision & Purity!
The Liquid Solder Flux Dropper (30 ml) by Quimtech delivers a high-purity, RMA rosin flux formula designed for flawless, oxidation-resistant solder joints. Its precision dropper ensures minimal waste and maximum control, while the non-corrosive, lead-free, and eco-friendly composition guarantees safe, durable, and professional results across a wide range of metal alloys.







| ASIN | B0CN29BZKV |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #314 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Soldering Flux |
| Color | Amber |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,319) |
| Date First Available | November 9, 2023 |
| Included Components | 1 Solder Flux Dropper |
| Item Package Quantity | 1 |
| Item Weight | 1.23 ounces |
| Item model number | CP-4023 |
| Manufacturer | Quimtech |
| Material | Rosin |
| Part Number | CP-4023 |
| Power Source | ac_dc |
| Product Dimensions | 3.93 x 1.26 x 3.93 inches |
| Size | 30 ml |
A**N
Flawless Solder Joints and Longer Lasting Iron Tips
Flux is necessary for solid, smooth, shiny, hard solder joints in many cases. This product produces these results. The difference between using flux or fighting with resin-core solder, especially on components that are being reused, is amazing. And it just takes a touch of the flux. Resoldering an old solder-joint to add an extra wire or component? Just a dab of flux and the old solder melds with the new and the joint is solid. I have always used flux in gel form, but this liquid and its dispenser make it a breeze. Now I used the gel mostly as a tip cleaner. Anyway, I really like the way this product performs and will buy it again. It's easy to use, works exceptionally well, leaves beautiful, shiny, solid joints with no waste of flux or solder. Seller = QuimTech High-Quality Electronic Solder Supplies UPC# BOCN29BZKV 30mL Made in Guatemala.
A**V
Good inexpensive flux no need for a brush
This flux worked great, needed to solder some lugs onto some 0 gauge ofc power cable for audio system and this flux worked great to help the solder bond, applicator is nice, no more worrying about finding a clean brush, bottle is leak proof
G**G
Soldering Newbies Beware! You may want Clear No-Clean Flux Instead!
In terms of soldering, this stuff did its job, the issue I had was my fault due to my own inexperience. If you're a newbie to soldering like I was and are trying to Solder something like Controller Thumbsticks, this stuff is going to get really sticky and sappy. What you want is the "clear no-clean flux" type for controllers and stuff. It cleans better. This stuff is basically like setting syrupy sap on fire on your circuit board, and the more isopropyl you use to clean it off, the more it gets everywhere, never really getting clean. Also, if you're dealing with Thumbsticks/buttons like I was, keep in mind that the stuff is sticky and hardens when cooled off, meaning that the isopropyl has a chance of washing/guiding the flux you're cleaning off INTO the button/thumbstick, HARDENING, rendering your button inoperable. This is fine, you just need to keep flushing out the button with isopropyl and compressed air until you finally flush that sticky flux out preventing the button from working. I noticed my L3/R3 buttons stopped working after a Thumbstick replacement job, just had to keep putting isopropyl drops and blowing out with compressed air can until it finally got flux out. Flux is a necessary evil, you absolutely HAVE to use it when soldering/desoldering, this stuff is just a lot harder to clean than the clear no-clean type flux. Do some research, so if your job actually needs this type, because I wouldn't use it personally if I didn't have to. It works well, the cleaning is just a lot harder.
B**.
Good and sticky
Fairy good flux and you only need a little to get the job done, which I recommend because it leaves a sticky residue on the board that is a bit hard to remove with IPA… and you have to use a lot of it! I do wish they sold a bigger bottle because I see myself getting more in the future.
U**R
Works well and cleans up easily with alcohol
This liquid flux works well. It is not listed as one that requires no cleaning but cleaning the part after soldering is easy with some isopropyl alcohol.
Z**.
Good flux and applicator combo
Its runny but its quality flux from what I can tell. Applicator tip and rubber cap are a nice touch, easy to precisely apply.
M**H
Works great. Leaves a mess.
Works great but in no way is this "No clean." It dries pretty solid, and does not come off easily unless you heat it up again. I had to stop using QTips to clean it up becuase they would leave tons of fibers on the board. Also any that spills on your mat will not wipe off easily. Again, it works great, but leaves a frickin' mess.
T**R
Solder loose juice and a teeny tiny bottle!
I’m not a big fan of using flux. Most times you can avoid using it, but there is the occasion where you need to use just a teeny tiny a bit of liquid solder flux, just to get things going. If you watch the YouTubes you may see several video creators that do retro computer restoration or what have you, just swathing that gunk all over the place by the half gallon at a time! Don’t believe it people! Melt a little new solder onto an old blob if it’s being stubborn, and you never have to use flux. Again, except for in certain circumstances. I do computer and video game console PCB repair, recaps, etc. I also work with solid state pinball machines by the plenty. There are times when components are just too close together or just stubborn going through a ground plane that you just gotta add a little flux. That’s why this teeny tiny bottle comes in handy. It’s got two types of applicator tip, one is molded into the model and the other is a screw on metal needle, which is super tight! Especially if you’re tighten it! My first use with this bottle was on a Bally pinball MPU board from the late 1970s. That suffered from battery leakage. Which means removing a whole bunch of components, cleaning the alkaline damage, repairing the alkaline damage, and then reinstalling new components that were damaged. This was actually the first time I used liquid solder flux on a board. Typically, I go without, as mentioned earlier, or use solder flux paste. This is much easier, and you don’t have to crank up the heat output on your solder iron nearly as much to get things free. My choice heat range is about 625°F, but with liquid flux, I could go slower, at about 550°F. These are my observations, your results may vary! Ask for value for money, it’s a little pricey for how little you get, but at the same time, I’m not going to be using this whole bottle in a day or in a week or maybe even a year, so the price isn’t too terribly bad in the long run. The quality is good, it’s not incredibly slimy like the flux paste, and much easier to clean off after being worked with. Yes, I would recommend this! It’s kind of the tool that you don’t use too often, but it sure is nice to have around!
N**J
Excellent product for clean soldering, worth the cost
M**S
Used on small copper sculptures...applied with a small brush. Good coverage and allows solder.to flow.so much better
J**O
works just like it should. cheap and showed up when it was supposed to.
M**Z
Probablemente un buen producto pero llegó en mal estado, la tapa no estaba bien cerrada y había una fuga en el embalaje. Espero novelas…
J**.
Really good stuff, cleans the metal well for soft soldering. East to fit parts. good value for money, not particularly sticky, but runs well into joints, Would recommend.
Trustpilot
2 weeks ago
1 month ago