






🔥 Solder smarter, not harder — flow like a pro with every joint!
This 63-37 tin-lead rosin core solder wire features a precise 63% tin and 37% lead alloy with 1.8% flux content, designed for smooth, fast soldering at a low melting point of 183°C. The 0.8mm diameter and 50g spool size make it perfectly portable for professional and DIY electrical repairs, circuit board work, and home improvement projects. Trusted by thousands for its consistent quality and strong solder joints.




| ASIN | B075WB98FJ |
| ASIN | B075WB98FJ |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #12,302 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #53 in Electrical Wire |
| Color | 0.8mm 50g |
| Customer Reviews | 4.6 4.6 out of 5 stars (20,675) |
| Customer reviews | 4.6 4.6 out of 5 stars (20,675) |
| Date First Available | 19 January 2018 |
| Date First Available | 19 January 2018 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 54.4 g |
| Item model number | JF850 |
| Item model number | JF850 |
| Manufacturer | Shenzhen Joycefook Technology Co., Ltd |
| Manufacturer | Shenzhen Joycefook Technology Co., Ltd |
| Material | tin |
| Part number | JF850 |
| Product Dimensions | 5.51 x 3 x 5.51 cm; 54.43 g |
| Product Dimensions | 5.51 x 3 x 5.51 cm; 54.43 g |
M**A
وايد زين
W**L
good quality
it does the job.
A**E
Excellent.
Excellent.
M**O
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: I’ve 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.
A**.
fast delivery
M**A
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
Works as intended.
K**T
I have received product contains 60 tin 40 Lead + Rosin, not as per Maiyum 63-37. Please note.
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