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⚡ Elevate your solder game with flux that flows like a pro!
Quimtech’s 30 ml Liquid Solder Flux features a high-purity, advanced RMA rosin formula that excels in removing oxides from various metal alloys. Its non-corrosive, neutral pH composition ensures safe use on circuit boards, while its oxidation resistance guarantees smooth, shiny solder joints. Lead-free and environmentally friendly, this flux is designed for professional electronics assembly, offering durability, safety, and superior soldering performance.







| ASIN | B0CN29BZKV |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 37,139 in DIY & Tools ( See Top 100 in DIY & Tools ) 9 in Solder Fluxes |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,855) |
| Date First Available | 23 July 2024 |
| Included Components | 1 Solder Flux Bottle |
| Item Package Quantity | 1 |
| Item Weight | 35 g |
| Item model number | CP-4023 |
| Manufacturer | Quimtech |
| Part Number | CP-4023 |
| Power Source | ac_dc |
| Product Dimensions | 9.98 x 3.2 x 9.98 cm; 35 g |
J**.
good flux
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.
M**S
Good quality
Used on small copper sculptures...applied with a small brush. Good coverage and allows solder.to flow.so much better
G**J
Excellent flux – clean, effective, and easy to use
I’ve used quite a few different soldering fluxes over the years, and this Liquid Solder Flux (30 ml) is one of the better ones I’ve come across. It works exactly as advertised and makes soldering much smoother, especially on small electronic components. The “no clean” formula is a big plus. It leaves very minimal residue, and what little remains isn’t sticky or messy. For most jobs, I don’t even need to clean the board afterwards, which saves time and effort. Application is easy thanks to the liquid consistency—it flows well into tight spaces and helps the solder spread evenly. I’ve noticed significantly improved wetting and fewer dry joints since using it. It’s especially useful for delicate electronics work where precision matters. Another advantage is that it doesn’t have an overpowering smell like some other fluxes. Also, being lead-free gives a bit of extra peace of mind. The 30 ml bottle lasts quite a long time as you only need a small amount per job, so it’s good value for money. Overall, a reliable, high-quality flux that I’d happily recommend to both beginners and experienced users.
L**O
👍
Excellent stuff, I use it every day
W**T
Should be very good.
Not used it yet looked at it the cap is very difficult to get off the bottle.
A**Y
Flux
Abit shocked at the size of the bottle for £14! My own fault for not looking at the description properly lol but looking forward to testing it out and seeing how good it works 😊
P**T
new flux.
Yes, it seems to work as it should,many thanks.
M**R
Poor flow
Poor flow using this flux. I've gone back to the paste until I find something else.
B**S
I'll continue buying Quimtech flux, no doubt
Huge fan of this flux, because it is easy to apply where you want it and very effective in improving flow and adhesion. I get really clean joints that flow so easily with this flux. It says it's "no clean," and I think that's a bit of a stretch, but it does clean up pretty easily, especially compared to other fluxes I've used. Also, it lasts a long time. I've used it on every joint (and there have been a lot of joints) for a couple of months now, and I'm maybe 1/6 of the way through the bottle. Plus, it's a Guatemalan company, which I appreciate. It's nice to actually have global goods in a global market, and not just all the goods coming from the same city in the same country (no shade, Shenzhen).
N**J
Excellent
Excellent product for clean soldering, worth the cost
J**F
Works Perfectly — Exactly What I Needed.
I’m really impressed with this liquid solder flux. The dropper bottle makes it super easy to apply just the right amount, and the consistency is perfect — not too thick, not too runny. It flows clean, helps the solder grab instantly, and leaves no mess behind. I’ve used a lot of flux over the years, and this one stands out for how clean it works and how reliable it is on small electronics. The bottle size is great for the price, and the quality is better than I expected. If you do any kind of electrical work, repairs, or hobby soldering, this is absolutely worth having on your bench. Bottle design is good and the applicator makes this a very versatile item to keep on hand with your soldering station or on the go. I’d definitely buy it again.
M**Z
Tapa bien cerrada por favor…
Probablemente un buen producto pero llegó en mal estado, la tapa no estaba bien cerrada y había una fuga en el embalaje. Espero novelas…
R**S
Would very highly recommend this product
This flux is some of the best flux I have ever had for the money definitely get this product is very versatile it works on all boards and components bleeding into boards as extremely easy to use you do not waste very much at the bottle is easy to grip and it fits in your hand so very well squeezing it and not too much comes out which is perfect it has great control on the nozzle I would say that this is a very superb product and anybody that works on electronics and does soldering needs this product
Trustpilot
1 month ago
2 months ago