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⚡ Elevate your electronics game with flux that means business!
Quimtech Liquid Solder Flux (30 ml) is a high-purity, lead-free rosin flux designed for professional electronics soldering. Its advanced RMA formula removes oxides effectively on metals like tin, lead, gold, silver, and copper, while its neutral pH ensures no corrosion on circuit boards. The 30 ml bottle offers ample supply for multiple projects, delivering smooth, shiny, and durable solder joints with eco-friendly, non-toxic ingredients.







| ASIN | B0CN29BZKV |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 48,477 in DIY & Tools ( See Top 100 in DIY & Tools ) 12 in Solder Fluxes |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,393) |
| Date First Available | 23 July 2024 |
| Guaranteed software updates until | unknown |
| 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 |
| Size | 30 ml |
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.
D**D
Fantastic
Fantastic
R**N
Does what it is supposed to do.
Very good flux and good value for money.Does what it is supposed
I**S
Very good indeed.
You only need a tiny bit and it makes the solder run very well indeed.
P**T
new flux.
Yes, it seems to work as it should,many thanks.
M**S
Good quality
Used on small copper sculptures...applied with a small brush. Good coverage and allows solder.to flow.so much better
M**A
E
Excellent
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 😊
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…
J**Y
Let it flow
This liquid flux is perfect for my electronic repair and other projects. It is very effective in helping my solder flow efficiently, making solid connections. This flux doesn't leave a lot of residue which makes for easy cleanup. It may seem a little expensive but just a couple of drops is all it takes. If you do electronic repairs or build electronic projects, flux is a necessity. This is good flux and I recommend it. This has been compatible with my lead-free solder thus far.
Trustpilot
3 days ago
1 day ago