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Dapodi, Pune

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+91 9607877448 / 49

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Solder & Fluxes (Lead Free)

Sn60Pb40 Solder Wire (No Clean & Rosin Cored)


This application is suitable for hand soldering process in Electronics & Electrical assemblies. Soldering iron set temperatures ranging from 350°C to 425°C are recommended to get desired solder joints. Application has designed with No-Clean flux cored in solder and residues may form on joints which may contribute no impact to circuit assemblies in the case of No Clean solder wires. Cleaning should be done when rosin cored solder wire used subject to in-house specification.

Storage & Handling

Product Specification

NO Item Specification Standard
1 Appearance Bright and shiny finishes NA
2 Alloy SnPb40 JIS-Z-3282 A CLASS
3 Melting Point 183°C DSC
4 Flux Content 1.3%, 1.8%, 2.2% ±0.1 % JIS-Z-3283
5 Flux Type F4, R, RC NA
6 Packaging 500gm  
7 Diameter/Tolerance Up to 30 SWG JIS-Z-3283
8 Shelf Life 5 Years NA
9 Features Excellent solder joint reliability. Superior joint strength.
Excellent thermal & mechanical fatigue resistance.
No cleaning or low cleaning required after solder joint
10 Purpose For use in applications requiring good activation.0.002% Max

Physical Properties

No Test Item Test Result Test Method
1 Silver Chromate Test PASS IPC-TM-650, 2.6.33
2 Copper Mirror Test PASS IPC-TM-650, 2.6.32
3 Copper plate Corrosion PASS JIS-Z-3197, 6.6.1
4 S.I.R Test 1×109 up IPC-TM-650,
5 Electro Migration Test 1×1012 up IPC-TM-650,

Alloy Composition

(Sn) (Pb) (Sb) (Cu) (Bi) (Zn) (Fe) (Al) (As) (Cd)
REM 39.5~40.5 0.12 Max 0.05 Max 0.10 Max 0.002 Max 0.02 Max 0.002 Max 0.03 Max 0.002 Max