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Tin Lead Solder Wire Sn20Pb80 20 80


Tin Lead Solder Wire Sn20Pb80 20 80

Solder Wire 20 80

Tin Lead Solder Wire 20 80, scientifically known as Sn20Pb80, is a soldering material composed of 20% tin (Sn) and 80% lead (Pb). This solder wire strikes a unique balance between   strength and malleability, making it an optimal choice for applications where a combination of durability and easy workability is required.


Specifications of Tin Lead Solder Wire Sn20Pb80 20 80:

Alloy Composition

20% Tin (Sn), 80% Lead (Pb)

Melting Point


Flux Type

Rosin based

Flux Content

2.0% as standard, or customized flux percentage

Wire Diameter

0.5mm to 3.2mm


100g/roll, 200g/roll, 500g/roll to 1kg/roll or customized weight


XF Solder or OEM service

*We also produce solid wire without flux core

Different Diameters of Solder Wire

Various Wire Diameters

Different Weights of Solder Wire

Various Weight Options

Rosin Flux Core Tin Lead Solder Wire

Flux Core

Features of Tin Lead Solder Wire Sn20Pb80 20 80:

Resistance to Heat

As the melting point of solder wire Sn20Pb80 is higher than most other alloys, it's suitable for applications that will need to work under higher temperature.

Good Strength

The solder wire 20 80 has a good binding strength after it's applied to soldered components and the adhesion of solder joint is quite good.

Flux Cored

We produce this solder wire with rosin flux core, users can directly use it for their soldering without adding extra flux.

Good Value

The material cost of solder wire Sn20Pb80 is low because of the higher lead content. It can save the cost of your manufacturing.


Applications of Tin Lead Solder Wire 20 80 Sn20Pb80:

It is used for manufacturing and repairing of electronics and electrical projects which have limited budgets.


It's used for the assembly for brass / copper radiators.


It's used for joinery of sheet metals and jewelry-making.

Radiator soldering with solder wire

Radiator Joinery

jewelry making with solder wire

Jewelry Joinery

Manual Soldering with solder wire

Electronics Manufacturing


How to use Tin Lead Solder Wire 20 80 Sn20Pb80?

We use soldering irons or soldering stations for assembly of electronics.


While for assembly of metal workpieces, we will use torch guns.


Precaution for using Tin Lead Solder Wire 20 80 Sn20Pb80:

Use in a Well-Ventilated Area: Always solder in a well-ventilated space, such as a fume hood or near an open window, and use exhausting fan. Proper ventilation helps to dissipate harmful fumes and reduce the risk of inhaling lead vapors.


Wear Personal Protective Equipment (PPE): Consider wearing appropriate personal protective equipment, including safety glasses, gloves, and a lab coat or apron, to minimize skin and eye contact with solder and flux.


Avoid Ingestion and Hand-to-Mouth Contact: Never eat, drink, or smoke while working with leaded solder. Wash your hands thoroughly after handling solder and before eating or touching your face.


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