Are you trying to find solder flux among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling solder flux on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 20 hours of research and did 26 solder flux tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best solder flux you can buy today
- 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.
- 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.
- Flux for soldering DIY electronics projects including Car Audio, Stereo & Hifi, Computers, RC Vehicles, Drones / FPV, Musical Instruments, Gaming Consoles, Model Railroad, Arduino / Raspberry Pi, etc.
- 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
- High Purity Rosin Soldering Flux, Good Helper For Repairing And Soldering
- Lead-Free, Halogen Free, Non-Corrosive, Good Flow Ability
- Stable Performance And Low Volatility, No Shelf Life, Less Smoke, No Irritant Smell
- Product Advantages: Pushing-Type Design Smoother Flowing No Wasting During Welding
- For Soldering IC, SMD, SMT, BGA, Handwork, Phone, Home Appliance Repairing, Removal SMD
- Lead-Free, Halogen Free, Non-Corrosive, Good Flow Ability
- High Purity Rosin Soldering Flux, Good Helper For Repairing And Soldering
- Product Advantages: Pushing-Type Design Smoother Flowing No Wasting During Welding
- High Activity Rosin Can Help To Remove The Oxide Layer On The Welding Surface Easily
- Suitable For Soldering PCB, SMD, SMT, Handwork, Phone, Home Appliance and Meters Repairing
- ✔️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.
- ✔️NON TOXIC: Organic High Purity formulation, stable performance and low volatility for long use cycles, no irritant smell, Lead-free, Zinc Chloride-free and Ammonium Chloride-free.
- BEEYUIHF #8403 is made of No clean, halogen free, acid free, non-corrosive flux, white paste, good fluidity, moderate viscosity, less residue, less smoke, suitable for cell phone PCB, BGA and PGA and other SMD ball array solder joints rework and ball patching.
- How to use electronics flux: wipe the electronic components and their Printed Circuit Board clean before soldering, squeeze the right amount of flux on the surface of the components or wire, heat up the soldering iron to 200 ℃ or more, and then the tin will be melted in the solder. After adding flux, it is very easy to put on the tin, and the structure of the solder joint is very full and strong and bright.
- The most prominent role of #8403 flux is to remove oxidation,soldering flux is a kind of chemical substances to promote soldering, have to remove the surface of the solder material oil, remove the oxide film, increase the role of the soldering area. Flux paste also has the role of protecting components and preventing re-oxidation. Flux is an indispensable auxiliary material in soldering and repair, to achieve better soldering and repair results.
- #8403 solder flux main function is to reduce the surface tension generated by the contact between the solder and the lead pin metal, enhance the surface wetting force, and enhance the penetration of the organic activator, which is the key role of flux. Flux paste is fine and white, with very little residue, and can achieve the performance of No clean.
- #8403 soldering flux paste product applications: applicable to sensors, wires, motors, fuses, connectors, metal shells, lighting, electronic components, SMT repair, BGA chip ball implantation, etc.
- ✔️EXCELLENT QUALITY :High purity, Advanced RMA -Rosin Midly Activated- Paste flux formula, RoHS Certificate Compliant, Semi-Solid, Organic, Environmental friendly soldering flux paste. 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 syringe of soldering high quality rosin paste flux, 10 grams net weight. 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.
- ✔️NON TOXIC: Organic High Purity formulation, stable performance and low volatility for long use cycles, no irritant smell, Lead-free, Zinc Chloride-free and Ammonium Chloride-free.
- Soldering Iron Tip Cleaner - the best Soldering iron Tip Cleaner and base, no water,does not reduce the tip temperature. Made of brass wire, it is cleaner than traditional sponges. Safe and clean to use.
- Solder wire - weight 1.76 oz / 50 g. Good fluidity, uniform heating, uniform solder joints, clean, contribute to the rapid completion of welding.
- Rosin - weighs 0.35 oz/10 g. Promote the flow of solder, improve the efficiency of welding process, allow solder to form solid, less residue, no need to clean, lasting mechanical and electrical connections.
- No-clean desoldering core - 2.0mm wide and 29.5 inches long, made of pure oxygen-free copper wire, it has strong ability to absorb tin. No cleaning, low residue. Removes more solder than traditional wicks, making it easy to correct errors on small PCB boards.
- Welded 4-in-1 set contains 4 necessary welding products, saving you time to purchase multiple times.Warning:This product contains lead, be aware of cancer and reproductive harm - For more information:www.p65Warnings.ca.gov
- Solder Wire: Included in the kit is a high quality 50 grams 60-40 (Sn/Pb) Tin - Lead rosin core solder wire alloy with 0.8mm 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 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 manufacturer’s 30-day money-back guarantee and lifetime customer support, ensuring the customers’ high level of satisfaction.
- 🌟The solder wicks 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,clean alloy on smd components and more
- 🌟1 pieces of no-clean solder wicks, each wick is about 10ft long and 0.1 inch in width, enough quantity and length for your daily needs
- 🌟This desoldering wick has geometrically-precise weave with copper, work from the tip of the desoldering wick, once the desoldering wick and the solder has been heated, the solder braid can quickly absorbed molten solder and left a clean working area.
- 🌟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
- 🌟The braided solder wicks are suitable for labs, home and industry welding work, practical tools to remove solder and correct errors on small PCB boards, bringing lots of convenience for your work
- √ Tin Lead Solder Wire: High Quality Rosin Core Solder Wire
- √ Parameters: solder wire Tin 63
- √ Flux content 1.8%，electrical soldering wire dia is 0.8mm (0.0315inch)，gross weight 50gram (0.11lbs),good size for pocket
- √ Low Melting Point: 361F/183C. easy to be soldered, flows smoothly, soldering fast and strong soldering point.
- √ Applications: Very good soldering capability, esp for circuit board, DIY, home improvement, Repairation of cable/TV/Radio/sterro/ Toys and other electrical devices etc. (WARNING: This product can expose you to lead, which is known to the State of California to cause brith defects or other reproductive harm. For more information go to the offical Proposition 65 Warnings Website)
- BEEYUIHF #7150 Soldering Paste Net weight: (1.76oz/50g) Rosin Solder Paste Flux, made of no acid, Lead-Free, No-Clean, soldering flux paste which is not easy to dump. Rosin Soldering Paste,High Purity,Good helper for repairing and welding.
- Soldering Flux Paste Feature: No corrosion, high intensity joint, good immersion, good insulation, good soldering properties, smooth welding surface.
- Flux for soldering application: Maintenance drag soldering, BGA planting tin, maintenance desoldering, electronic components soldering, mobile phone maintenance, mobile phone chip maintenance, LED lighting, home appliance maintenance.Have strong oxide removal effect to gold-copper alloy substrate and wire.
- #7150 paste flux features: Lead-free, halogen-free, acid-free, no cleaning, less residue, easy to tin, less smoke, help soldering firm, make soldering fluidity better, slightly yellow paste.
- Solder Flux also a good helper for maintenance enginee. Rosin soldering flux paste metal can packaging, High-quality aluminum box packaging, not easy to break.
- BEEYUIHF Solder paste flux: Net weight: (3.52oz/100g); Gross weight: (5.15oz/146g)
- Rosin Solder Paste Flux, made of no acid, Lead-Free, No-Clean, soldering flux paste which is not easy to dump. Rosin soldering paste,high purity,good helper for repairing and welding.Convenient syringe dispenser ideal for touch up and repair of surface mount assemblies.
- No clean Industrial grade Solder Flux advantage: Lead-Free, No-clean, halogen-free, acid-free, no corrosion, high intensity joint, good immersion,good insulation, very little residue, easy to tin, help soldering firm, make soldering fluidity better, slightly yellow paste.
- Soldering flux paste application: Mobile phone repair, computer and digital service industries, high-precision circuit board SMT soldering, BGA welding process, Maintenance drag soldering, BGA planting tin, maintenance desoldering, electronic components soldering, mobile phone maintenance, mobile phone chip maintenance, LED lighting, home appliance maintenance,etc.
- About our #9530 soldering flux paste: No Clean flux paste. Convenient syringe dispenser ideal for touch up and repair of surface mount assemblies.
- Soldering Flux
- Smooth Flow
- Solder Flux
- Halogen Free
- Sufficient Quantity: you will receive 4 sets of no clean soldering flux paste, each set contains 1 piece of 10ml soldering flux, 1 piece of plunger and 2 pieces of dispensing tip, the quantity is sufficient to meet the needs of daily maintenance
- Easy to Use: each soldering flux is equipped with a plunger and dispensing tip, which is more convenient to use, and can accurately place the flux to the required place, making your circuit board and other manufacturing and maintenance more convenient
- Boost Design: compared with the traditional flux paste, soldering paste, the canned push design makes the flow smoother, no waste in the soldering process, and is easy to store and use; the canned push design does not contain rubber plugs, which is more labor-saving and easy to operate; After use, the push rod can be taken out and the original cover can be put on for easy storage
- Reliable Quality: no clean flux paste has instant wetting, excellent fluxing ability, no washing, strong viscosity, bright solder joints, more convenient to use
- Wide Application: 8341 no clean flux is widely applied in circuit boards, ICs, telephones, TVs and other household appliances and industrial equipment
- High thermal stability for soldering multi-layer assemblies which require higher temperatures
- High preheat temperatures does not degrade solubility of the residue in normal cleaning solvents
- Improves soldering performance
- 2-Ounce Bottle
- Eliminates the need and expense of cleaning
- This lead-free soldering flux paste has excellent wetting properties and does not require cleaning after use
- It is non-corrosive and non-conductive when dry
- The product design includes a pushing-type mechanism for smoother flow and less waste during welding
- The high activity rosin content aids in easy removal of oxide layers on the welding surface.
- This soldering flux paste is suitable for use in PCB, SMD, SMT, handwork, phone, home appliance, and meter repairing application
- High Quality Flux: TANG HONG Solder Flux employs high concentration rosin, excellent fluidity, rapid wetting, bright solder joints, and firm adhesion.
- Soldeing Flux Features: No Clean Flux, lead free, halogen free, oxidation-resistant, No corrosive rosin flux that complies with RoHS standards.
- Flux Widely applicable: 558 Solder Flux is suitable for friends with strict requirements in repair soldering, applicable to BGA, PCB, SMD, SMT, IC, mobile phones, keyboards, electronic components, and household appliance maintenance.
- Plunger Design: The plunger design enables precise control of flux release, ensuring smooth flow and minimizing waste during the soldering process.
- High Temperature Stability: solder flux performs exceptionally well under high temperature conditions, maintaining stability and resisting decomposition. This means it can uphold its performance during high temperature soldering, ensuring the quality and reliability of solder joints.
- 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
How to choose a good solder flux
Does the idea of finding a fantastic solder flux make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in solder flux. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top solder flux products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top solder flux on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top solder flux brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top solder flux based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the solder flux were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good solder flux, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your solder flux.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting solder flux for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our solder flux. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what solder flux should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on solder flux.
