83-1000-0186 Mildly Activated Rosin Liquid Flux Pen for Lead-Bearing and Lead Free Alloy, 0.33 fl. oz.
Product ID: 11971074
🔥High thermal stability
🧪ORH1 J-STD-004 classification
⚖️pH neutral chemistry
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⚡ Elevate your solder game with flux that works as hard as you do!
The Kester 83-1000-0186 Mildly Activated Rosin Liquid Flux Pen delivers high-activity fluxing for both leaded and lead-free soldering. It offers exceptional thermal stability for multi-layer circuit boards, leaves non-corrosive and non-conductive residues, and is pH neutral and ORH1 certified per J-STD-004. Designed for critical applications, it ensures reliable, clean solder joints with moisture and fungus-resistant residue, compatible with most solder masks and laminates.
| Asin | B005T8OR4I |
| Best Sellers Rank | #55,404 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #58 in Soldering Flux #205 in Soldering Parts & Accessories #925 in Welding Equipment & Accessories |
| Date First Available | April 19, 2011 |
| Item Model Number | 83-1000-0186 |
| Item Weight | 0.81 ounces |
| Manufacturer | NTE Electronics, Inc. |
| National Stock Number | 3439-01-510-2558 |
| Package Dimensions | 5.5 x 0.5 x 0.5 inches |
User
Good quality RMA flux in a convenient pen
Good reliable flux pen. Takes a few tries to first prime the pen when brand new but after that it flows fine. Just paint the flux on where you need it.Kester 186 is a good RMA flux. It's a bit sticky, as most rosin base fluxes, so I like to clean it with a bit of flux cleaner after I'm done. Technically you can leave it on as it is non-conductive and non-corrosive.Kester 186 (RMA) and Kester 951 (No Clean) are my go to liquid fluxes for both lead and non-lead solder work. Great for soldering and desoldring.Don't cheap out on solder, flux, and soldering iron and you'll have no problem soldering.
User
Love this stuff, works great
This is my go-to flux, especially for tight spots, small items, and keeping in my portable solder station. It makes the solder flow and isn't a globby mess like paste flux. And you can kinda pump the tip if you need to soak a bigger tumble of wires. I love this stuff- Kester makes excellent products.
User
Excellent flux for all electronics
Kester RMA is excellent flux. Yes, it's sticky and leaves residue, but the residue is self passivating. That means that you do not need to clean it off. In fact, you will have less trouble, less leakage, less corrosion if you just leave it in place. I had the opportunity to work with one of the top experts in solder when I worked for Bill & Dave's Excellent Company. There is NO solder joint better than a tin-lead eutectic fluxed with Kester RMA. Everything else is a step down in quality.
User
Works well, but there are other options
This is a 'medium' level flux that works really well for most materials. Always use leaded solder to get the best and most durable joints! This flux Does leave behind a sticky residue that should be cleaned with isopropyl alcohol (90% or greater). The "SRA #312 Soldering Flux Pen" seems to work just as good and does not leave behind the residue; also dispenses much easier :)
User
Good quality
Easy to use and good quality
User
Worked perfect
I wish I had this a long time ago
User
The flux on stick made my soldering easier and fast.
I wished the sold them in two value packs and the flux was instant for clean job and the removal cap made easy cover compared to using a paint brush for flux jar. Would recommend to anyone soldering
User
Great
Not much to say, Kester products are great. They may cost more but are worth it.
Trustpilot
3 days ago
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