Today's best Soldering Flux products & deals of 2026
Updated October 28, 2026Our site contains affiliate links for which we may be compensated.
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USA Quality Flux - Achieve the soldering results you desire with SRA 135. Our rosin paste flux is impurity free with superior solder flux paste wetting performance. Rosin flux soldering perfected.
No Goop Solder Flux - Semi-solid solder wax consistency gives you superior control over application. Simply dip copper electric wires or apply electronic rosin flux to PCB and watch the solder flow!
Electric Solder Flux - Unlike paste flux wax found at the hardware store, SRA 135 acid free electronics soldering flux is the safe and effective choice for electrical and electronic applications.
Flux Specifications - 135 is a type RA (Rosen Activated) Flux with an Active Temp. Range of 93 – 315°C / 200 – 600°F. This listing is for one 2oz (56.6g) jar of electrical flux paste.
1.This Solder Wick And Solder Flux Paste Can Be Used To Correct Mistakes With Small Boards On Pcbs, Remove Relays And Other Components From Printed Circuit Boards, Re-Solder Mechanical Keyboard Switches, Unsoldering Old Wire From Devices, Desoldering Computer Parts Such As A Motherboard.
2. No-Clean Desoldering Wicks About 10ft Long And 0.1 Inch In Width, Soldering Flux Paste About 10cc, Enough Quantity And Length For Your Daily Needs
3.High-Quality Solder Fluxe Paste Are Halogen-Free, Non-Corrosive, And Have Good Fluidity, Helps To Remove Solder From Circuit Boards Without Damaging Components.
4.The Desoldering Wicks Are Made Of Copper Wires With Nice Quality, Precise Weaving Design Can Improve The Capillary Effect And The Redundant Solder Absorbing Ability, Increasing Your Efficiency
✔️EXCELLENT QUALITY :High purity, Advanced RMA -Rosin Midly Activated- Liquid flux formula, RoHS Certificate Compliant, Organic, Environmental friendly soldering liquid flux . Formulation for electronic soldering applications. It is effective in removing oxides from Tin-Lead, Lead-free, Gold, Silver and Copper alloys.
✔️ENOUGHT QUANTITY: The package includes 1 High Quality Dropper of soldering liquid flux, 30 ml net Volume. Excellent Immersion, wettability, chemical and technical properties. Thus, Enough quantity for your use. Strong soldering and welding power resulting strong low residual joints
✔️NON-CORROSIVE: Formulation with neutral pH, no corrosion involve after soldering process. Rosin is not conductive in dry conditions and has good insulation. Is not corrosive to metal surfaces such as circuit boards
✔️OXIDATION RESISTANCE: Anti-oxidation effect through soldering , desoldering, rework and reflow electronic processes for their high boiling formulation components. Giving as a result smooth, shiny and uniform soldering joints.
Precise PCB Repair & Solder Flow Improvement: Crivon solder flux paste & desoldering wick braid kit improves solder flow and reduces cold joints, weak connections, and uneven bonding for reliable electronic repairs. Crivon rosin flux paste is formulated as no clean flux, enhancing solder adhesion on pads, traces, and SMD components. It ensures precise soldering for circuit board repair, SMD soldering, microelectronics, and electrical soldering applications where stable connections are critical
Complete Solder & Desolder Solution: Crivon flux kit includes both solder flux paste for electronics and copper solder wick braid, enabling efficient solder removal during rework and component replacement. The desoldering wick absorbs excess solder cleanly, prevents solder bridges, and minimizes pad damage. Perfect for PCB rework, SMD repair, electronics soldering kit setups, and electrical circuit maintenance, supporting a full apply–remove–rework workflow for beginners and professionals alike
Balanced Syringe Paste, Precise Controlled Dispensing: Crivon flux syringe solder paste offers controlled viscosity, staying stable on PCB traces while being easy to dispense. This prevents messy spreading and maintains smooth solder flow under heat, reducing mistakes during soldering. It is ideal for beginner practice projects, DIY electronics, and professional electronics repair, ensuring predictable solder performance for precise soldering flux, solder paste, and electronic flux applications
Low-Residue No Clean Rosin Flux: Engineered as a low-residue rosin flux paste, Crivon soldering flux reduces post-solder cleaning and simplifies maintenance. It improves heat transfer from the soldering iron tip to solder wire and PCB pads, helping solder flow more evenly for stronger bonding and enhancing connection reliability across PCB boards and electrical circuits. This makes it a safe, reliable choice for PCB repair, circuit board maintenance, and SMD electronics projects
Cleaner, Stronger Solder Joints with High-Activity Rosin Flux: This no clean solder flux paste uses high-activity rosin flux to quickly remove oxidation and improve solder wetting, helping solder flow smoothly and bond securely. It reduces common issues like cold joints and poor adhesion, making soldering easier and more reliable. A trusted soldering flux choice for electronics repair, upgrades, and precision work where clean results matter.
One Flux for PCB, SMD, SMT, and Everyday Electronics Repair: This versatile soldering flux paste works across PCB boards, SMD and SMT components, and manual soldering tasks. Ideal for phones, appliances, instruments, and circuit repairs, it pairs well with solder wire or solder paste. Whether for a repair bench or home DIY electronics, this flux for soldering adapts easily to different projects and skill levels.
Precision Syringe Control for Small and Delicate Components: Designed with a push-type syringe and two fine tips, this solder flux paste allows accurate placement exactly where needed. Perfect for small pads, tight gaps, and detailed electronics work. Compared to liquid solder flux or flux pens, the paste stays in place, reduces mess, and helps prevent overuse, giving you cleaner, more controlled soldering results.
No Clean, Lead-Free Flux You Can Use with Confidence: This no clean flux paste is lead-free, halogen-free, and non-corrosive when used as directed. It leaves minimal residue after soldering, so extra cleaning is usually unnecessary. Safe for sensitive electronics and suitable for long repair sessions. Normal flow performance at room temperature; slight thickening may occur in extremely cold environments.
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.
Quick Removal: This desoldering wick and no clean flux paste set allows for fast, effective removal of solder from circuit boards without damaging components.
Low Residue: No Clean Solder Wick, As Only a Small Amount of Residue is Left After Use, Saving You Time On Cleaning
High Activity Rosin Can Help To Remove The Oxide Layer On The Welding Surface Easily
Convenient Kit: Get both desoldering wick and no clean flux paste together in one compact kit for complete soldering and desoldering solutions wherever your repair work takes you.
Non-corrosive - #923 is made from high-purity rosin. Lead-free, Chloride-free, Non-toxic, Halogen-free, Non-flammable, and RoHS compliant. Suitable for electronic soldering/repair. Liquid solder flux efficiently removes oxides from tin, lead, copper, silver, and nickel alloys.
Safe & Reliable Formula - As a RMA (Rosin Mildly Activated) liquid flux, it features a neutral pH and non-corrosive. With high flash point and non-flammability ensure safe storage. The dried rosin residue is non-conductive, providing excellent insulation.
Outstanding Performance - Lead free liquid soldering flux offers excellent wettability and efficiently removes oxide films(for Leaded and Lead-Free solder applications). Solder flux liquid provides anti-oxidation effects in various processes like soldering, desoldering, rework, wave soldering, and reflow soldering, resulting in bright, strong, and uniform solder joints.
Broad Compatibility - Soldering flux liquid performs exceptionally well in a wide range of applications, including electronic soldering/repair, audio cable connector soldering, PCB soldering, and SMD soldering/desoldering within SMT processes.
10 Soldering Flux deals are available from: Amazon, starting from $5.99.
The lowest price we found is $5.99 while the highest is $18.00. Prices for the best Soldering Flux deals average at $10.14.
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