--- product_id: 62727156 title: "MAIYUM 63-37 Rosin Core Solder Wire 0.8mm100g Tin Lead Electrical Soldering" brand: "maiyum" price: "R566" currency: ZAR in_stock: true reviews_count: 13 category: "Maiyum" url: https://www.desertcart.co.za/products/62727156-maiyum-63-37-rosin-core-solder-wire-0-8mm100g-tin store_origin: ZA region: South Africa --- # 63/37 Tin-Lead alloy ensures strong, reliable joints Low melting point 183°C for fast, smooth flow 0.8mm diameter ideal for precision PCB & electronics MAIYUM 63-37 Rosin Core Solder Wire 0.8mm100g Tin Lead Electrical Soldering **Brand:** maiyum **Price:** R566 **Availability:** ✅ In Stock ## Summary > ⚡ Solder Smarter, Not Harder — Join the Precision Revolution! ## Quick Answers - **What is this?** MAIYUM 63-37 Rosin Core Solder Wire 0.8mm100g Tin Lead Electrical Soldering by maiyum - **How much does it cost?** R566 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/62727156-maiyum-63-37-rosin-core-solder-wire-0-8mm100g-tin) ## Best For - maiyum enthusiasts ## Why This Product - Trusted maiyum brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Pros:** Top-ranked solder with 4.6-star rating and thousands of happy users—join the community that demands quality and performance. - • **Clean & Reliable:** Rosin core flux leaves non-corrosive residue, ensuring long-lasting, bright, and clean welds on all your electronics. - • **Precision Perfect:** 0.8mm diameter strikes the ideal balance for fine-pitch and slightly larger soldering tasks, making your DIY projects flawless. - • **Pocket-Sized Power:** Compact 100g spool fits easily in your toolkit or pocket, ready for on-the-go repairs or creative builds. - • **Fast & Flawless Flow:** Low melting point at 183°C means quicker soldering with smooth, shiny joints every time—no cold joints, no fuss. ## Overview MAIYUM 63-37 Rosin Core Solder Wire is a 0.8mm diameter, 100g spool of premium tin-lead alloy solder with a low melting point of 183°C. Designed for electronics DIY, PCB repair, and electrical soldering, it features a rosin flux core that ensures clean, non-corrosive, and strong joints. Highly rated and trusted by professionals, this solder wire delivers fast, reliable, and precise results for all your technical projects. ## Description MAIYUM 63-37 Rosin Core Solder Wire 0.8mm100g Tin Lead Electrical Soldering | Low melting rosin flux, clean welds, non-corrosive residue, fits PCB repair, electronics DIY soldering - desertcart.com Review: My New Go-To! - This diameter is perfect for precision work — thin enough for fine-pitch components and SMD soldering, but still has enough mass to handle slightly larger joints without needing to feed too much wire. The 63/37 alloy melts beautifully at a low temperature and gives that smooth, shiny flow I love to see. No cold joints, no hassle. The rosin flux core is just right — active enough to get clean, bright joints on mildly oxidized parts, but it doesn’t leave If you’re looking for reliable, high-quality solder that performs like the old Kester stuff but at a better price, look no further. Review: It's great, but a "0.6mm" is a little thinner/smaller than I thought. - No problem with the item. It works as intended. If you're new, you have to know....0.6mm lead/tin are very thin/small. These are better for someone, who want to solder in a circuit board. I'm just a regular guitar player, who wants to solder speaker wires and connecting guitar wires (volume and tone pots, toggle switches, and output jacks, etc. For this reason, I would prefer getting something bigger, i.e., 1mm to 1.5mm. Other than that, this solder wire works nicely. ## Features - Tin Lead Solder Wire: With Rosin Core Solder Wire - Parameters: solder wire in Tin 63 Pb 37 - Flux content 1.8 %，electrical soldering wire dia is 0.8mm (0.315 inch)，gross weight 100 gram (0.22 lbs),good size for pocket - Low Melting Point: 361 F/183 C. 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) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B076QF1Y85 | | Best Sellers Rank | #267 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Solder | | Color | 0.8mm 100g | | Customer Reviews | 4.6 4.6 out of 5 stars (22,390) | | Date First Available | October 24, 2017 | | Item Package Quantity | 1 | | Item Weight | 3.68 ounces | | Item model number | 43188-464408 | | Manufacturer | Shenzhen Joycefook Technology Co., Ltd | | Material | Metal | | Package Dimensions | 2.2 x 2.05 x 1.34 inches | | Part Number | 43188-464408 | | Size | 0.8mm 100g | ## Images ![MAIYUM 63-37 Rosin Core Solder Wire 0.8mm100g Tin Lead Electrical Soldering - Image 1](https://m.media-amazon.com/images/I/7188gfGCtWL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: What kind of soldiers can work for bikes** A: This answer is for those who want to solder aluminum tubing, to construct bike frames. The quick answer is no. Maiyum solder is for electronics. The solder you want can be found by searching for this in Amazon: 50 Pieces Aluminum Welding Rods 0.08 x 8 Inch Universal Low Temperature Welding Cored Wire Brazing Rod Tube for Electric Power, Drill Tap Polish and Paint . You will need a torch that can burn MAPP gas, and the proper PPE such as welding gloves and a fixed face shield. **Q: How do you solder. Do you put the solder on the iron than run over the wire or it should just melt on the wire without the iron melting the solder?** A: Solder follows heat, but it's important not to burn off all of the flux before it gets to where it needs to go (flux removes oxidation, which allows the solder to make a strong molecular bond with the surface). Putting solder on the tip of the iron first is a guaranteed way to burn off the flux in the solder before you put it where it needs to go. I typically touch the iron to where I want the solder to go, heat the connection, and then bring the solder in to either touch the same joint. On wires the iron will touch the opposite side as the solder - so the solder flows through toward the heat of the iron. In some applications the connection is too small, so I touch the solder to the iron as close as possible to the connection. If I ever need to apply solder to the iron first and then bring it over to a connection, I use a flux pen or paste flux to coat the connection before soldering it. **Q: Is this stuff magnetic or will it attract magnet?** A: This solder wire has no magnetic properties, but since it contains tin it is a paramagnetic material. The attraction to magnets is very low and should pose no problems when used in common electronic applications. **Q: Is it dual voltage?** A: This is solder with flux core. Voltage has nothing to do with it. ## Customer Reviews ### ⭐⭐⭐⭐⭐ My New Go-To! *by D***Y on June 30, 2026* This diameter is perfect for precision work — thin enough for fine-pitch components and SMD soldering, but still has enough mass to handle slightly larger joints without needing to feed too much wire. The 63/37 alloy melts beautifully at a low temperature and gives that smooth, shiny flow I love to see. No cold joints, no hassle. The rosin flux core is just right — active enough to get clean, bright joints on mildly oxidized parts, but it doesn’t leave If you’re looking for reliable, high-quality solder that performs like the old Kester stuff but at a better price, look no further. ### ⭐⭐⭐⭐⭐ It's great, but a "0.6mm" is a little thinner/smaller than I thought. *by A***R on August 20, 2026* No problem with the item. It works as intended. If you're new, you have to know....0.6mm lead/tin are very thin/small. These are better for someone, who want to solder in a circuit board. I'm just a regular guitar player, who wants to solder speaker wires and connecting guitar wires (volume and tone pots, toggle switches, and output jacks, etc. For this reason, I would prefer getting something bigger, i.e., 1mm to 1.5mm. Other than that, this solder wire works nicely. ### ⭐⭐⭐⭐⭐ High-Quality Solder Wire – Easy to Use and Reliable *by G***Z on April 15, 2026* This solder wire works really well! It melts smoothly and flows evenly, making it easy to get clean and strong connections. The quality is great, and it’s perfect for electronics, repairs, and DIY projects. I also like that it heats up quickly and doesn’t leave too much residue. Whether you’re a beginner or experienced, this is a reliable option that gets the job done. Definitely worth it and I would buy again! ## Frequently Bought Together - MAIYUM 63-37 Tin Lead Rosin Core Solder Wire for Electrical Soldering (0.8mm 100g) - SRA Solder 135 Rosin Paste Soldering Flux For Electronics, No Clean Flux Made for Lead and Lead-Free Solder Circuit Boards and Copper Electrical Wire - Safe Clean Residues with No Goopy Mess (2oz Jar) - Lesnow solder wick braid 10ft Length Desoldering Wick Braid Remover Tool Solder Sucker 1 piece No-Clean soldering Wick Wire Roll and Disassemble Electrical Components --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/62727156-maiyum-63-37-rosin-core-solder-wire-0-8mm100g-tin](https://www.desertcart.co.za/products/62727156-maiyum-63-37-rosin-core-solder-wire-0-8mm100g-tin) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-21*