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Home > Lead-free (EVASOL) > [Flux cored solder wire] Good wettability type MFJ series
Good wettability with low Ag alloy can help to reduce material cost.
●Wettability test for through hole pad
Select flux base material according to higher melting point of solder alloy.Less spattering can achieve high performance soldering.
●Spattering test with soldering robot
Reduce flux spattering Collect spattered flux onto thermal paper. 【Condition】 | ![]() |
Good solderbility can achieve higher productivity for various type parts
●Comparison of solder bridge with line soldering
| Alloy type | J3 (Sn:Bal / Ag 3.0 / Cu 0.5) R4 (Sn:Bal / Ag 0.3 / Cu 0.7) R8 (Sn:Bal / Cu 0.7) |
|---|---|
| Flux type | JIS-A MIL-RMA |
| Flux contents (%) | 3.0%、4.0%、6.0% |
| Halide contents | 0.08%~0.14% |
| Copper plate corrosion test | No Corrosion |
| Copper mirror corrosion | No Corrosion |
| Insulation resistance(Ω) | More than 5.0×108Ω |
| Electrochemical migration | No Migration |
| Flux name | MFJ |
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