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

Flux cored solder wire

High reliability halogen free standard compliant type HRK series

Good wettability

Adding a special activators other than Cl and Br. Good wettability, while compliant to halogen-free standards.

Excellent wettability

●Soldering test by robot

Good wettability

Compare wettability to the back through hole

Iron temp:350℃
Soldering time:1 sec
PCB:Cu, Through-hole

Halogen-free compliant

No intentional addition of chlorine(Cl) and bromine(Br), Which causes dioxins.Compliant with most of halogen-free standards.

Halogen-free compliant

●Compliant situation of HRK series

Standards Compliant situation
JPCA-ES01 Compliant
IEC61249-2-21 Compliant
IPC4101B Compliant
JEITA ET-7304A Non compliant
Compatible to major halogen-free standards

Reduce flux spattering

The effect of special activators reduce the spattering and enables to secure a higher quality soldering.

Greatly reduced spattering

●Spattering test by robot

Very few spattering

Collect spattered flux onto
thermal paper.

Iron temp:380℃
Feed speed:15mm/s
Feed lenght:5mm×200 shots

Alloy typeJ3 (Sn:Bal / Ag 3.0 / Cu 0.5)
R4 (Sn:Bal / Ag 0.3 / Cu 0.7)
R3 (Sn:Bal / Cu 0.55)
Flux typeHarogen-free type
Flux contents (%)2.0%、3.0%、4.0%、6.0%
Halide contents0.08%~0.50%
Copper plate corrosion testNo corrosion
Copper mirror corrosionNo corrosion
Insulation resistance(Ω)More than 1.0×108Ω
Electrochemical migrationNo migration
Halogen contents(ppm)Cl : Less than 50
Br : Less than 100
Flux nameHRK