On electronic product Soldering wire(Sn55%)

Soldering wire (Sn55%):
1.good humidity, bright beautiful, fast, less halogen,
2. and high isolation resistance after clean
Soldering wire(welding wire)(Sn55%)
Accordance with the RMA grade of GB-T3131-2001.
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).