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✔️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.
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.
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.
Reliable Brand: Trusted by electronics technicians, this brand delivers consistent performance repair after repair.
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.
User-Friendly Design - The high-purity organic formula is stable with low volatility. It has a mild, non-irritating odor and contains no lead, halogens, or chlorides, making it ideal for prolonged soldering work.
[Alloy Parameters] -- Solder wire Tin 63% Lead 37% (Sn63 Pb37)；Solder flux Content:1.8%
[Parameters of Solder Wire] -- Diameter: 1.0mm /Weight: 50 g
[Perfect soldering capability] -- This wire has a low melting point, flows smoothly, has fast soldering speed, and has strong solder joints.
[Applications] -- The features of solder wire can help people solder easier. Especially suitable for circuit board, TV, radio, and other home appliances repair, DIY, home decoration.
[After-sales Guarantee] -- In order to bring you a better shopping experience, if you have any questions, please feel free to contact us. We will reply as soon as possible. Thank you!
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
5.The Braided Solder Wicks And Solder Fluxe 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
𝑨𝒍𝒍-𝒊𝒏-𝑶𝒏𝒆 𝑺𝒐𝒍𝒅𝒆𝒓𝒊𝒏𝒈 & 𝑻𝒊𝒑 𝑪𝒍𝒆𝒂𝒏𝒊𝒏𝒈 𝑲𝒊𝒕: This complete soldering kit brings together all the essential tools for professional-grade soldering, whether you're a DIY hobbyist, an electronics repair technician, or an industrial maintenance professional. It includes solder wire, flux, desoldering wick, cleaning sponges, and a brass wire cleaner with storage box – ready to solder anytime.
𝑳𝒆𝒂𝒅-𝑭𝒓𝒆𝒆 𝑺𝒐𝒍𝒅𝒆𝒓 𝑾𝒊𝒓𝒆: Engineered for reliability, this solder wire is made from high-purity virgin tin with a composition of Sn99.3% / Cu0.7% and a flux content of 2.2%. Total weight: 20g (net weight: 15g); diameter: 0.8mm (0.0315 inches). Ideal for precision tasks on circuit boards, components, and fine-pitch connections, it delivers bright, full, and strong solder joints that ensure long-lasting, professional results – perfect for electronics repair and industrial applications.
𝑬𝒇𝒇𝒊𝒄𝒊𝒆𝒏𝒕 𝑳𝒊𝒒𝒖𝒊𝒅 𝑺𝒐𝒍𝒅𝒆𝒓 𝑭𝒍𝒖𝒙 𝑫𝒓𝒐𝒑𝒑𝒆𝒓: Designed for excellent wetting and penetration, this flux ensures smooth soldering on boards, wires, and tight PCB spaces. Its halide-free and chloride-free formula produces no irritating odor. It effectively removes surface oxide films and prevents solder joints from re-oxidizing, ensuring stable, dependable connections every time.
𝑭𝒂𝒔𝒕𝒆𝒓 𝑫𝒆𝒔𝒐𝒍𝒅𝒆𝒓𝒊𝒏𝒈 𝒘𝒊𝒕𝒉 #𝑵𝑪942 𝑫𝒆𝒔𝒐𝒍𝒅𝒆𝒓𝒊𝒏𝒈 𝑾𝒊𝒄𝒌 𝑩𝒓𝒂𝒊𝒅𝒔: Upgraded with a stable RMA no-clean flux pre-coated onto pure copper braid, this desoldering wick requires no extra flux and absorbs solder faster and more effectively. The precision braid ensures rapid heat transfer and efficient uptake while minimizing pad damage from prolonged tip contact. Low residue, non-irritating, and non-corrosive – it's the reliable choice for board repair, rework, and delicate component rework.
𝑷𝒐𝒘𝒆𝒓𝒇𝒖𝒍 𝑪𝒍𝒆𝒂𝒏𝒊𝒏𝒈 𝑲𝒊𝒕: Maintain your soldering iron tip like a pro – the brass scrubs away oxidation and excess solder without cooling the tip too rapidly. Made of high-quality copper wire, it's durable and reusable. For deeper cleaning, soak the compressed sponge in clean water for a few minutes until it fully expands to 10mm thickness, then squeeze out excess water (damp, not dripping). After soldering, wipe the tip against the sponge to remove excess residue, keeping your iron clean and your work surface neat.
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.
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
Versatile Electronics Soldering Kit: Compatible with most soldering tools, soldering stations, and electronic accessories, Crivon solder kit for electronics supports PCB repair, desoldering tasks, electrical soldering projects, and DIY electronics projects. The combination of solder flux syringe and solder braid ensures efficient solder application and removal, enhancing success rates, reducing rework, and keeping electronics boards clean and reliable for both beginners & experienced technicians
Solder flux is a critical component in soldering, playing a pivotal role in preparing metal surfaces for joining by cleaning and preventing oxidation during the soldering process. Choosing the right solder flux is essential for ensuring strong, clean, and reliable solder joints, particularly in electronics and plumbing applications. The right type of flux can greatly affect the efficiency of the soldering operation and the integrity of the final product. This guide will help you navigate the key features to consider when selecting the best solder flux for your soldering tasks.
Key Features to Consider
Flux Type
Rosin-Based Flux: Ideal for electrical soldering as it is non-corrosive and does not usually need to be cleaned off after soldering. Available in “no-clean” or water-soluble types.
Water-Soluble Flux: Offers aggressive cleaning action and is easier to remove than rosin, making it suitable for high-purity applications where residue could impact performance.
Acid Flux: Commonly used in plumbing or metalwork for its strong cleaning properties but must be cleaned off thoroughly to prevent corrosion.
Cleaning Requirements
No-Clean Flux: Leaves minimal residue, reducing post-solder cleanup work. Particularly useful in delicate electronic assemblies where cleaning might damage components.
Cleanable Flux: Requires removal after soldering to prevent future corrosion or conductivity issues. Ensure you have the means to effectively clean the residues based on the flux type.
Activity Level
Activity Level: Refers to how aggressively the flux removes oxidation from metal surfaces. Higher activity fluxes are more effective at cleaning heavily oxidized surfaces but might be too harsh for sensitive electronics.
Compatibility
Metal Compatibility: Ensure the flux is compatible with the metals you are soldering, especially when dealing with sensitive components or precious metals.
Solder Compatibility: Some fluxes are formulated to work best with specific types of solder, such as lead-based or lead-free, to enhance the solder’s flow and bonding characteristics.
Application Method
Paste, Gel, or Liquid: The form of the flux affects its application; paste and gel are good for precise applications, while liquid flux is suitable for general use and large areas.
Packaging: Consider the ease of application, whether it’s in a pen, syringe, tub, or bottle, to suit your specific project needs.
Pros and Cons
Pros of Solder Flux
Cons of Solder Flux
✔️ Essential for cleaning metal surfaces and improving solder adhesion
❌ Incorrect flux type can damage components or lead to weak joints
✔️ Enhances the flow of solder, reducing voids and cold solder joints
❌ Some flux types require thorough post-solder cleaning to prevent corrosion
✔️ Available in various formulations to suit different metals and applications
❌ No-clean fluxes might still leave some residue that could affect sensitive electronics
✔️ Can significantly improve soldering speed and result quality
❌ Acidic fluxes are too corrosive for electronics and require careful handling
Quick Tips
Assess Your Soldering Requirements: Determine the types of metals you frequently work with and the required cleanliness of your solder joints.
Choose the Right Flux for Your Application: For electronics, opt for rosin-based or no-clean fluxes to avoid damage. For plumbing, use stronger acid-based fluxes for optimal results.
Consider Health and Safety: Be aware of the fumes produced by solder flux, especially acid fluxes, and ensure adequate ventilation or use fume extraction systems during soldering.
Choosing the right solder flux is a key decision that affects the effectiveness and durability of your soldering projects. By carefully considering the type of flux, its compatibility with your materials, and the required cleaning processes, you can select a solder flux that enhances your efficiency while ensuring high-quality, durable solder joints. Whether for professional electronics work or DIY projects, the correct flux can make all the difference in achieving successful soldering outcomes.
