Best Kester Soldering Flux in 2026
Daisy
Last Updated: Jul 19, 2026
Daisy
Last Updated: Jul 19, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SRA Soldering Products | 9.91 | ✅ | ✅ | ✅ |
The Ideal Flux For Electrical And Electronic Repairs
Contains 2 Ounce In A "Hockey Puck" Jar
Formulated For Use With Tin/Lead And Lead-Free Alloys
Dimensions: 2.5″ Dia X 1″ H (64 X 25.5 Mm)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CML Supply | 9.88 | ❌ | ❌ | ❌ |
Kester 1544 Liquid Flux Repackaged by CML Supply in this convenient dispensing bottle
Lead Free - RoHS compliant.
Compatible with Lead and Lead-Free Solders
2-ounce bottle
Activated Rosin Formula
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
High thermal stability for soldering multi-layer assemblies which require higher temperatures
Exposure to high preheat temperatures does not degrade solubility of the residue in normal cleaning
Improves soldering performance; eliminates the need and expense of cleaning
Classified as Rol0 per j-std-004
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CONCORDE ELECTRONICS | 8.32 | ❌ | ❌ | ❌ |
For rework and touch-up of smt, smd, and through hole solder joints
Suitable for automotive, computer, telecom
10Ml pen applicator with specially designed felt tip
Low solids content for practically no residue
Compatible with lead and lead-free solders
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Slavin llc | 9.92 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CONCORDE ELECTRONICS | 8.37 | ❌ | ❌ | ❌ |
Kester 2331ZX pen
10ML
Made in the USA
Package dimensions: 1.0 inches (H) x 4.0 inches (L) x 3.0 inches (W)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
Kester 951 Liquid Flux Repackaged by CML Supply in this convenient dispensing pen
Lead Free - RoHS compliant.
Compatible with Lead and Lead-Free Solders
12-ml Dispensing Pen
No-Clean Formula leaves virtually NO RESIDUE
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SLAVIN LLC | 8.68 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
High thermal stability
Improves soldering performance
Eliminates the need and expense of cleaning
Classified as ROL0 per J-STD-004
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CONCORDE ELECTRONICS | 8.32 | ❌ | ❌ | ❌ |
Improves soldering performance
Eliminates the need and expense of cleaning
Non-corrosive tack-free residues
Classified as ORL0 per J-STD-004
Compliant to Bell core GR-78
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CML Supply | 9.88 | ❌ | ❌ | ❌ |
Kester 186 Liquid Flux Repackaged by CML Supply in this convenient dispensing pen
Lead Free - RoHS compliant.
Compatible with Lead and Lead-Free Solders
12-ml Dispensing Pen
Mildly Activated Rosin (RMA) Formula
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Slavin llc | 9.92 | ❌ | ❌ | ❌ |
60 ml. COMBO KESTER 961E + KESTER 186 Soldering Liquid Flux LEAD FREE NO CLEAN FLUX
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CML Supply | 9.88 | ❌ | ❌ | ❌ |
Kester 979T Liquid Flux Repackaged by CML Supply in this convenient dispenser
Lead Free - RoHS compliant.
Compatible with Lead and Lead-Free Solders
2-Ounce Bottle
No Clean Formula- Low Solids Content for LOW RESIDUE
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SLAVIN LLC | 8.68 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CML Supply | 9.88 | ❌ | ❌ | ❌ |
Kester 959T Liquid Flux Repackaged by CML Supply in this convenient dispensing pen
Lead Free - RoHS compliant.
Compatible with Lead and Lead-Free Solders
12-ml Dispensing Pen
No-Clean Formula leaves virtually NO RESIDUE
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Slavin llc | 9.92 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SLAVIN LLC | 8.68 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Glemco Parts | 5.59 | ❌ | ❌ | ❌ |
Please read descriptions carefully before ordering.
Please do not hesitate to contact the seller if you need additional details of this product.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Kester | 15 |
| Generic | 2 |
| Sra Soldering Products | 1 |
We've carried out a comprehensive analysis of 15,562 reviews on soldering flux kester, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select soldering flux kester priced around $19.99, with top brands including bernzomatic, tekline supply, kester, generic, sra soldering products and kester solder and 247 solder
Our team of expert editors reviewed these high-quality items and handpicked the top 18 soldering flux kester for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include amazon.com, cml supply, slavin llc, concorde electronics, glemco parts, kimco distribution, janel inc., sra soldering products and 247 solder and voyagesupply .
We are dedicated to assisting our users in finding the right flux Products based on their needs, saving them considerable time when choosing which soldering flux kester to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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