Ishikawa Metal Co. Ltd is Lead-free solder manufactuer and sales in Helmond

Management System
ISO 9001:2015 
ISO 14001:2015

Marshallstraat 18c, 5705 CN Helmond
Tel:+31-655701610
soldersolutions@ishikawa-europe.com

Flux cored solder wire

Water soluble type WSG series

Good wettability

Apply flux activator according to base material.Good solderbility can achieve higher productivity for various type parts.

Good wettability

●Wettability comparison in line soldering

Sustained wettability

【Condition】

Iron temp:360℃

Iron speed:5mm/s

Good water washability

Water soluble base material instead of rosin.The residue after soldering is possible to clean away easily with water.

Good water washability

●Ionic residue test

The flux residue is possible to clean with water

  • 【Test method】JIS Z 3197 8.5.2

    【Condition】
    Cleaning solution:Pure water
    Washing temp:50℃
    Washing time:1 min
    Number of washings:3

Reduce spattering

With the effect of special activator, solder and flux spattering were reduced.Higher mounting quality can be secured.

Very few spattering

●Flux spattering test with soldering iron robot

Few spattering

Collect spattered flux onto thermal paper.

【Condition】
Iron temp:380℃
Feed speed:15mm/s
Feed length:5mm × 200 shots

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