At Kothari Metsol, we manufacture premium quality urea flux solder wire designed to deliver smooth, clean, and reliable soldering results. Made with virgin-grade non-ferrous metal ingots and C.P. grade urea, our soldering wires are trusted across industries for their efficiency, consistency, and performance.
Whether you need flux solder wire for electronic assembly, capacitor manufacturing, or general-purpose soldering, our wires guarantee strong joints and stable conductivity without contaminating capacitor oil or affecting electrical parameters.
Order high-quality urea flux solder wire today and experience flawless soldering performance.
Manufacturing Process
Our flux core wire is manufactured using strict quality controls and advanced casting techniques. Each batch is tested for:
Purity of Tin/Lead or Tin/Copper alloys
Even flux distribution inside the solder wire
Smooth melting and spreading properties
This ensures that every spool of soldering wire flux performs consistently, giving you a clean and durable finish in every application.
Composition & Sizes
We offer a wide range of options to meet your soldering needs:
Composition: Tin/Lead & Tin/Copper
Size Range: 10 SWG to 22 SWG
Packing: 500 gm spools & 3 kg spools
This ensures that every spool of soldering wire flux performs consistently, giving you a clean and durable finish in every application.
Applications of Urea Flux Solder Wire
Our urea flux core wire is designed for versatile applications across multiple industries. Some common uses include:
Capacitor Manufacturing – No contamination of capacitor oil and no effect on electrical properties.
Electronics Assembly – Suitable for PCBs, resistors, transistors, and connectors where clean joints are required.
Automotive Industry – Used in wiring, harness assembly, and automotive electronics.
Electrical Equipment – Perfect for soldering copper wires, coils, and electrical terminals.
Home Appliances – Reliable performance in manufacturing and repairing household devices.
General Soldering Work – Smooth flow and strong bonding for all soldering applications, including small-scale DIY projects.
Discover how our urea flux solder wire can improve productivity in your industry—order today!
Why Choose Kothari Metsol?
When it comes to soldering wire flux, reliability and performance matter the most. Here’s why Kothari Metsol is a trusted choice:
Decades of Expertise – With years of experience in solder manufacturing, we understand industry needs better than anyone.
Premium Raw Materials – We use only virgin-grade metals and C.P. grade urea for superior flux core wire quality.
Advanced Manufacturing Techniques – Modern casting and processing ensure consistent performance with minimal dross.
Wide Range of Options – Available in different sizes, compositions, and packaging to match varied requirements.
Industry-Specific Solutions – Whether you need soldering wire for electronics, automotive, or electrical work, we provide customized solutions.
Proven Trust & Reliability – Our products are used by leading manufacturers across India and abroad.
Customer-Centric Service – Easy ordering, fast shipping, and technical support for your soldering needs.
Choose Kothari Metsol and experience unmatched performance with our high-quality flux solder wire. Contact us now to get your order started.
FAQ's
Soldering wire flux is a chemical cleaning agent that removes oxidation from metal surfaces during soldering. It ensures better wetting, smooth joints, and stronger electrical conductivity.
Flux solder wire has flux integrated into its core, which eliminates the need for external flux. It simplifies the soldering process, reduces spattering, and delivers cleaner joints.
Flux core wire provides consistent flux distribution, faster soldering, and minimal cleanup. It’s ideal for electronics, electrical assemblies, and precision soldering applications.
Choose the flux based on your use case—rosin flux for electronics, urea flux for strong metallic joints, and no-clean flux for applications where residue removal isn’t required.
Yes. Urea flux solder wire is commonly used in electrical, mechanical, and heavy-duty soldering applications where strong joint integrity and clean performance are essential.
Flux solder wires are available in custom spool sizes (500 gm, 3 kg) and wire gauges from 10 SWG to 22 SWG, allowing flexibility for various industrial needs.
You can find certified and BIS-compliant flux core solder wire directly from Kothari Metsol. Our products meet Indian quality and safety standards, ensuring optimum performance in both industrial and electronic soldering applications.
We offer sizes from 10 SWG to 22 SWG, available in 500 gm and 3 kg spools
At Kothari Metsol, every flux core solder wire is backed by strict quality control and performance assurance. Our products come with quality certifications and manufacturing warranties to ensure reliability, purity, and excellent soldering results.
Kothari Metsol Pvt. Ltd. is the definitive name in solders since 1966. It is also a trusted brand in Zinc Spray Wire. Evolved on German collaboration, today Kothari Metsol Pvt. Ltd.
