Flux name | Flux classification | Application | Particular advantage |
Gummix-HF 100% halide-free |
REL0 | Laser soldering | Halide-free laser soldering |
Gummix-19 NH 100% halide-free |
REL0 | Iron-tip soldering | Flux stays flexible till -20°C |
Gummix-21 NH 100% halide-free |
REL0 | Iron tip soldering | flux stays flexible till -40°Cs |
NHR-TH 100% halide-free |
REL0 | Iron tip soldering, Induction soldering | TH solder joints |
SRS-ZL | REL0 | Iron-tip soldering | Also appropriate for drag soldering |
Gummix-21 Zeta | REL1 | Laser soldering, Iron-tip soldering | For low-silver alloys |
Gummix-SB RMA | REL1 | Laser soldering, Iron-tip soldering | High temperature stability |
BT-19 stand / high SIR-value |
ROL1 | Iron-tip soldering, Induction soldering | Standard components |
SRS-RMA NC (successor to SR-38) chloride and bromine-free |
ROL1 | Iron tip soldering, Induction soldering | TH solder joints |
GTH-RMA | ROL1 | Iron-tip soldering | Flux for low-melting indium alloys |
Gummix-19 CH | REM1 | Laser soldering, Iron-tip soldering | Surfaces which are difficult to wet |
SR-37 | REM1 | Ron-tip soldering, Induction soldering | Ni surface |
SR-HS | REM1 | Drag soldering | Fast wetting, low splattering |
KR-19 | ROM1 | Iron-tip soldering, Drag soldering | Ni surface, Stainless steel |
SR-LA SUPER (successor to SR-37) |
ROM1 | Iron-tip soldering, Induction soldering | High soldering temperature possible |
SRS-UL chloride and bromine-free |
ROM1 | Iron-tip soldering, Induction soldering | Optimized for low-silver alloys |
All our lead-free solder wires are with the following flux-content available: 3,5%
Available on request: 2,5 and 4,5%
All our lead-free solder wires are available in the following diameters (mm):0.15, 0.2, 0.3, 0.38, 0.5, 0.65, 0.8, 1.0, 1.2, 1.6, 2.0, 2.7
Alloy | Composition | Melting range | Special advantages |
LFM-96 | Sn-3,5Ag-0.5Bi-6.0In | 200–210°C | low-melting, highly reliable indium alloys |
Sn-0.3Ag-0.7Cu-2.0Bi-0.035Fe | 210–226°C | anti tip-wastage, low AG, high solder joint strength | |
SJM-35 | Sn-3.5Ag-2.0Bi | 216–220°C | high AG, high solder joint strength |
SJM-30 | Sn-0.3Ag-2.0Cu | 217–270ºC | minimizes Cu leaching |
LFM-48 | Sn-3.0Ag-0.5Cu | 217–220ºC | SAC, JEITA recommended |
LFM-48 S | Sn-3.0Ag-0.5Cu-0.04Fe | 217–221ºC | Anti tip-wastage, SAC, JEITA recommended |
LFM-48 M | Sn-3.0Ag-0.5Cu-0.03Fe-α | 217–221ºC | Anti tip-wastage and avoiding oxidation |
LFM-90 | Sn-1.0Ag-0.7Cu | 217–224ºC | low Ag |
LFM-86 S | Sn-0.3Ag-0.7Cu-0.04Fe | 217–228ºC | Anti tip-wastage, low Ag, SAC |
LFM-41 | Sn-0.3Ag-2.0Cu | 217–270ºC | Minimizes Cu leaching |
LFM-41 S | Sn-0.3Ag-2.0Cu-0.04Fe | 217–271ºC | Anti tip-wastage, minimizes Cu leaching |
LFM-34 | Sn-3.5Ag | 221ºC | Sn-Ag eutectic |
SJM-40* | Sn-4.0Ag-2.0Bi-3.0Sb-α | 221–227ºC | High AG, very high solder joint strength |
LFM-22 | Sn-0.7Cu | 227ºC | Sn-Cu eutectic |
LFM-22 S | Sn-0.7Cu-0.04Fe | 228ºC | Anti tip-wastage, Sn-Cu eutectic |
LFM-23 S | Sn-0.6Cu-0.05Ni-0.035Fe-Ga | 228ºC | Very high tip life time |
*SJM-40 is patented under: JP PAT Nr. 3045453
Alloy | Flux classification | Laser soldering | Iron-tip soldering | Inductive soldering |
LFM-48 (M&S) (SAC305) |
L0 | Gummix-HF | SRS-ZL | Gummix-HF |
L1 | Gummix-SB RMA | SRS-RMA | Gummix-SB RMA | |
M1 | Gummix-19 CH | SR-37 | SR-55 | |
SJM-Series (Sn, Ag, Cu, Bi) |
L0 | Gummix-HF | NHR-TH | Gummix-HF |
L1 | Gummix-21 Zeta | SRS-RMA NC | Gummix-21 Zeta | |
M1 | Gummix-19 CH | SR-LA | Gummix-19 CH | |
LFM-23 S (Sn, Cu, Ni) |
L0 | - | SRS-ZL | - |
L1 | Gummix-21 Zeta | SRS-RMA NC | Gummix-21 Zeta | |
M1 | - | SR-LA SUPER | - |