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โก Solder smarter, not harder โ flow like a pro every time!
MAIYUM 63-37 Tin Lead Rosin Core Solder Wire is a 0.8mm diameter, 50g spool designed for electrical soldering with a low melting point of 183ยฐC. Featuring 1.8% rosin flux core, it delivers smooth, strong, and clean solder joints ideal for circuit boards, repairs, and DIY electronics. Highly rated and portable, itโs the go-to choice for professionals and hobbyists alike.




| ASIN | B075WB98FJ |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #236 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Solder |
| Color | 0.8mm 50g |
| Customer Reviews | 4.6 4.6 out of 5 stars (21,859) |
| Date First Available | September 24, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 1.92 ounces |
| Item model number | JF850 |
| Manufacturer | Shenzhen Joycefook Technology Co., Ltd |
| Material | tin |
| Part Number | JF850 |
| Product Dimensions | 2.17 x 1.18 x 2.17 inches |
G**Z
High-Quality Solder Wire โ Easy to Use and Reliable
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 itโs perfect for electronics, repairs, and DIY projects. I also like that it heats up quickly and doesnโt leave too much residue. Whether youโre a beginner or experienced, this is a reliable option that gets the job done. Definitely worth it and I would buy again!
M**C
melts smooth, joints look clean
This solder flows really nicely and wets onto pads without needing to pile heat on which is great for working on delicate components. The joints come out shiny and solid without the grainy look you get from lower quality solder. The rosin core flux does its job well and helps everything flow evenly across the pad. 100 grams is a solid amount and at this price it is basically a no brainer buy for anyone who solders regularly.
M**O
High-Quality Solder Wire That Performs Flawlessly
Performance & Use: The MAIYUM 63-37 tin-lead rosin core solder wire is high quality and easy to work with. It flows smoothly and creates strong, reliable joints for all types of electronic repairs. Ease of Use: The wire heats and melts evenly, making soldering precise and controlled. It works well with both small components and larger connections. Durability & Reliability: Iโve used it on multiple electronic projects, and there have been no issues with connectivity or joint strength. The rosin core helps ensure good adhesion and a clean finish. Final Verdict: If you need reliable, high-quality solder for electronics, this MAIYUM wire delivers. Easy to use, dependable, and perfect for repairs or custom projects.
R**G
Shops
Work great
E**N
If you need any wire for a project, look no further. 10/10.
This was a generous amount of wire for the price. I received quality material that worked perfectly with my cheap soldering kit. Overall, this spool allowed me to learn how to solder quickly while providing a durable and accurate experience. The solder was easy to melt and clean, yet provided a great connection and fit on all connections I have used it for. If you need any wire for a project, look no further. 10/10.
D**A
Does the job
Good product
M**E
Good wire
It melted very easily, soldering with thai wire is very smooth.
A**O
100% recommended
Excellent value for money and accurate specifications. It arrived quickly and in perfect condition inside its protective box. It is exactly what it promises: 63/37 solder wire, 0.8 mm in diameter, with a resin core (1.8% flux). The diameter is ideal for precision electronics work and small repairs. Highly recommended!
A**.
good product
fast delivery
A**I
Just the thing
Does what it says.
C**L
MAIYUM 63-37 Tin Lead Rosin core solder
Just as advertised melts quickly soldiers grate.
M**A
High cospa!
I don't know why the price is so low for this lead rosin core solder. I love the size for circuit boards and it works well. No issues.
N**N
Good quality
Works as intended.
Trustpilot
2 weeks ago
1 month ago