Product overview SN63PB37 Rosin Core Solder Wire – Leaded

The Sn63Pb37 leaded solder wire is made from high-purity natural tin materials, containing up to 99.99% pure tin ingot, environmentally friendly and of high quality. It is equipped with a high-tech composite flux core, featuring a unique rosin formulation that provides rapid wetting, low residue, and excellent transparency. The entire production process is carefully controlled – from the selection of premium raw materials to strict process supervision and final inspection – ensuring superior solderability and high-quality solder joints.

Technical specifications

Product Specifications

Item	Specification
Composition	Sn63 Pb37
Packaging	50g / 100g / 150g / 200g / 250g / 300g / 400g / 500g / 600g / 700g / 750g / 800g / 850g / 900g / 1000g
Melting Point	183 °C
Flux Content	1.8% / 2.0% / 2.2% / 2.4% / 2.6% / 3.0%
Wire Diameter	0.5 mm / 0.6 mm / 0.8 mm / 1.0 mm / 1.2 mm / 1.5 mm / 2.0 mm

Technical Characteristics

Type of Solder Wire	Composition (WT%)	Melting Point (°C)	Application
Sn63Pb37	63%Sn–37%Pb	183 °C	Suitable for circuit boards requiring high precision, such as instruments, electronic industry, communication, microelectronics, aerospace, and other fine soldering applications.
Sn60Pb40	60%Sn–40%Pb	191 °C	For general soldering applications such as household appliances, electrical equipment, automotive electronics, and other general soldering work.
Sn55Pb45	55%Sn–45%Pb	200 °C	Suitable for standard PCB soldering and general-purpose use.
Sn50Pb50	50%Sn–50%Pb	212 °C	For products that require moderate soldering temperature and bonding strength.
Sn45Pb55	45%Sn–55%Pb	227 °C	For higher melting point requirements.
Sn40Pb60	40%Sn–60%Pb	247 °C	For special applications requiring stronger solder joints.
Sn35Pb65	35%Sn–65%Pb	247 °C	Same as above; higher lead content for specific uses.
Sn30Pb70	30%Sn–70%Pb	257 °C	Suitable for applications requiring stronger adhesion.
Sn25Pb75	25%Sn–75%Pb	268 °C	Used in automotive and lighting industries.
Sn20Pb80	20%Sn–80%Pb	280 °C	Used for high-temperature soldering requirements.

Applications

Suitable for use in electronic devices, printed circuit boards (PCB), household appliances, industrial electrical equipment, fuses, lighting products, and hardware components..

See also: CHUERA 969D Soldering Station, SN63PB37 Rosin Core Solder Wire – Leaded , JIT-Asia

Product Manual

Catalogue of Vital Products