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Home > Lead-free (EVASOL) > [Flux cored solder wire] Water soluble type WSG series
Apply flux activator according to base material.Good solderbility can achieve higher productivity for various type parts.
●Wettability comparison in line soldering
Sustained wettability
【Condition】
Iron temp:360℃
Iron speed:5mm/s
Water soluble base material instead of rosin.The residue after soldering is possible to clean away easily with water.
●Ionic residue test
The flux residue is possible to clean with water
【Condition】
Cleaning solution:Pure water
Washing temp:50℃
Washing time:1 min
Number of washings:3
With the effect of special activator, solder and flux spattering were reduced.Higher mounting quality can be secured.
●Flux spattering test with soldering iron robot
Few spattering
Collect spattered flux onto thermal paper. 【Condition】 |
Alloy type | J3 (Sn:Bal / Ag 3.0 / Cu 0.5) J9 (Sn:Bal / Ag 3.5 / Cu 0.7) |
---|---|
Flux type | Water soluble type |
Flux contents (%) | 2.0%、3.0% |
Halide contents | 1.6%~2.4% |
Copper plate corrosion test | No corrosion (after cleaning with water) |
Copper mirror corrosion | No corrosion (after cleaning with water) |
Insulation resistance(Ω) | More than 1.0×108Ω (after cleaning with water) |
Electrochemical migration | No migration (after cleaning with water) |
Flux name | WSG |
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