10 best paste solder flux for 2024

It took days of going through more than a thousand customer reviews and conducting expert researches to narrow down the list. Weve included a comparison table below to give you a quick summary of our top 10 paste solder flux. Its followed by an in-depth review of each paste solder flux. Hopefully, once you are done reading this article, you will be well informed about paste solder flux and be able to select the right paste solder flux for you without any hesitations.

Best paste solder flux

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Best paste solder flux reviews

1. MG Chemicals - 8341-10ML 8341 No Clean Flux Paste, 10 milliliters Pneumatic Dispenser (Complete with Plunger & Dispensing Tip)

Feature

Superior fluxing ability
Instant wetting
After soldering, the rosin residue is non corrosive, non conducting, moisture resistant, and fungus resistant
Compatible with lead free and leaded solder systems
Thixotropic paste; RoHS compliant

2. Chipquik Tack Flux no clean in a 10cc syringe w/plunger & tip - SMD291

Feature

Remove QFDs, PLCCs, SOICs and chip components without costly equipment
Use with existing rework equipment or temp controlled soldering irons
Special removal alloy has excellent wetting ability
Low melting temperature
Safe, affordable, easy and won't damage sensitive components

3. Solder Wire and Rosin Paste Flux Kit - 60-40 Tin Lead Rosin Core Solder Wire (0.6mm, 50g) and Rosin Paste Flux for PCB Electrical Soldering and DIY from Plusivo

Feature

Solder Wire: Included in the kit is a high quality 60-40 (Sn/Pb) Tin - Lead rosin core solder wire alloy with 0.6mm diameter and 1.6% flux content commonly used for wiring appliances, DIY projects, 3D printers and other electronic projects or electrical and electronics soldering and repairs
Rosin Paste Flux: This high-quality 50g rosin flux soldering paste facilitates the flow of solder, thus increasing the efficiency of the soldering process and is just right for your small DIY soldering projects.
BONUS Items: Aside from the solder wire and rosin paste, this kit also includes 2 mini screwdrivers and two 22 AWG Wire tinned copper PVC jacket, a great addition to a very simple and affordable kit for soldering.
Durable Carton Box: All items are neatly packed inside a durable carton box to keep them organized, secured, and easy to carry and transport anywhere.
Satisfaction Guarantee: The Solder Wire and Paste Kit is backed by the manufacturers 30-day money-back guarantee and lifetime customer support, ensuring the customers high level of satisfaction.

4. SRA Soldering Products Rosin Paste Flux #135 In A 2 oz Jar

Feature

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)
Does not need to be cleaned
Active temperature range: 93 315c/ 200 600
Made in USA

5. MG Chemicals 8342 RA Rosin Flux Paste, Amber, 50 g Jar (8342-50G)

Feature

Excellent wettability
High tack force
Long tack time
Perfect flux for electronic repairs
Rohs compliant

6. Rectorseal 14000 1.7-Ounce Nokorode Regular Paste Flux

Feature

Cleans and fluxes in one operation saving time and money
Special oil base protects the solder joint against corrosive attack
It's non-aggressive formula is ideal when used on copper and brass fittings
Lead free and acid free-safe to use on potable water systems
When heated, it reduces surface tension and allows the solder to flow easily and uniformly into the joint

7. 2 Jar Solder Flux, Flux for Soldering, Rosin Soldering Flux Paste for Lead-Free Electronics Soldering and Soldering DIY (1.2oz/35g in a Jar)

Feature

ENOUGHT QUANTITY: The package includes 2 jars of soldering flux. A total of 70 g. Enough quantity for your use.
NON-CORROSIVE: Rosin is not conductive in dry conditions and has good insulation. Is not corrosive to metal substances such as circuit boards.
OXIDATION RESISTANCE: Anti-oxidation effect on soldering iron head of gold-copper alloy substrate. Solder flux for semi-solid, not easy to dump.
STRONG APPLICABILITY: Flux is suitable for welding instruments, gold, copper, tin, iron and other metals. Ideal for electronic welding, repair and rework.
WHAT YOU GET: Rosin soldering flux paste * 2, our 7*24 friendly customer service for peace of mind.

8. Youland Soldering Iron Tip Cleaner + 60/40 Solder Wire Reel Fine 0.6mm Tin Lead Rosin Core (1.76oz/50g) + Soldering Rosin Flux Paste Gel (0.35oz/10g) for Electronics Metalworking Welding

Feature

Ideal Choice for Soldering Accessories Kit Contains 3 of the most essential products for welding, saving you time of multiple purchases. NOTE: solder wire & flux were packed in the container
Feature of Solder Iron Tip / Head Cleaner Sturdy metal container; The Sponge made from brass coils, softer than the tip plating, yet harder than the oxidation that forms on the tip. Won't damage your soldering tips. To clean the tip, just stab the iron into the holder, great alternative to a wet sponge. No water required, meaning less chance of oxidation and won't reduce tips temperature, Avoid soldering iron cooling, improve welding efficiency
Feature of Solder Rosin Wire Core Tin Produced with international standard flux formula, Low melting point: 374 / 190; Good activity, Stable performance, Stable performance, fast tinning; fresh smell, less smoke, no toxic gases, less splashing when welding; Solder joints are bright and firm, forming a protective film on the surface of the solder joint after soldering, relieving solder joints Oxidation reaction; low melting point high insulation resistance, reduced welding time
Feature of Solder Rosin Flux Paste No-clean solder paste with minimal residue and no cleaning required. Has stable performance, non-toxic, non-irritating odor, safe and reliable use, Not corrosive to IC and PCB. Low volatility, long service life, high bonding strength, neutral pH value, strong insulation and smooth welding surface. It is an ideal auxiliary product for manufacturing high-quality electronic products
Youland Service & Package Contents of Solder Kit We accept return, refund and replacement if you have any quesitons about the Welding Items. Just contact us freely, we guarantee you 100% satisfaction. Package include : 1 * Soldering Iron Tip Cleaner, 1 * Tin Lead Solder Wire (1.76oz/50g), 1 * Solder Flux Tin (0.35oz/10g)

9. TOWOT Solder Flux For Soldering Flux Paste For Electronics Rosin 1.34 Oz (38g)

Feature

High Efficiency -- It is used in low ionic activator system. Wetting tin speed smoke degree is very low, the residue cured surface insulation impedance value is very high.(note: not applicable to PC boards)
Allows the solder to form strong, long lasting mechanical and electrical bonds
Good Quality -- RoHS correspondence, MSDS certification. Refined with Weak acid, semi-solid and not easy to pour. It is effective in removing oxides from gold and copper alloy substrates and wires.
Safety and Variety -- Refined with weak acid flux, semi-solid and not easy to pour. The most suitable flux for hobby and electronic assembly. Good for cables and large terminals. Removes oil or oxides, and improves wettability.
Any problems can be contacted by email.

10. GOOT Solder Rosin Paste Flux Made In Japan Soldering 0.35 Oz (10g)

Conclusion

All above are our suggestions for paste solder flux. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using paste solder flux with us by comment in this post. Thank you!