Tin Solder Wire Lead (Sn20Pb80)

Tin Solder Wire Lead (Sn20Pb80)
1,High quality,less dross
2,.good humidity,bright beautiful,fast
3, package:customers' need

Tin Solder Wire Lead (Sn20Pb80)
solder wire (soldering material)
Accordance with the RMA grade of GB-T3131-2001.
Waving soldering wire:Good humidity, bright soldering point, beautiful, fast, no halogen, no ion pollution, high isolation resistance after cleaning, easily cleaning, environmental friendly
Item
Index
Item
Index
Soldering %
2.0-2.2
Cleaning after soldering
qualified
Halogen %
0
Isolation resistance after cleaning Ω
>1×10
Extension rate %
>86
PH
neutral
Acid KOHmg/g
<35
Bronze mirror erosion after cleaning
qualified
Cleaning methods
1: spraying brush, clean till no remains on PCB soldering side with deionisation liquid or distilled water (40-60).
2: ultrasonic cleaning, fast and good effect if cleaning PCB soldering side on surface of ultrasonic liquid (40-60).

*Alloy Compositions
Alloy compositions(%)
Sn
Cu
Pb
Sb
Bi
Ag
Zn
Fe
Al
As
Cd
63
0.002
max
The rest.
0.02
max.
0.02
max.
0.01
max
0.002
max.
0.002
max.
0.005
max.
0.03
max.
0.02
max.