Wave Soldering

ALPHA® Soldering Alloys and Liquid Soldering Flux provide excellent soldering and reliability while meeting demanding process and environmental requirements.  Companies trust Alpha’s materials to deliver optimized throughput and performance.  Our wave soldering product solutions provide high quality and consistent soldering for a complete range of applications.

Alpha Products for Wave Soldering

Alpha Liquid Solder Flux

Product Lead-Free SnPb High Reliabiltiy Low Ag Water Soluble
X X   X  
EF-3001 X X
EF-6000 X X   X  
EF-6100 X X X X
EF-6100R X   X    
EF-6103 X X X X  
EF-6850HF X   X X  
EF-8000 X X X X  
EF-8300 X X X X  
EF-8800HF X   X X  
EF-9301 X X X X  
EF-12000 X X   X  
NR-205 X X    
NR-330   X      

SLS-65C   X      
WS-375   X X
WS-856   X

WS-857   X
  X     X
WS-3355 VF
  X     X
615-25 Series   X      


Alpha Bar Solder Alloys

Use the chart below to determine which Alpha alloy is right for you. Simply align the type of assembly being made with the appropriate alloy.

 Assembly Type
Simple, single sided, FR2 / CEM-1 laminates
Dual sided FR-4 w/ PTH's, 1.6mm thick, up to 4 inner copper layers, metallized pad finishes
Complex, up to 12 inner copper layers, OSP pad finishes, all processing in air
>2.4mm thick, >12 inner copper layers, large high heat capacity components
 SACX Plus 0807

  SAC alloys label for table
  1%+ flux solids, L0, pin testable
Flux Type
  SACX Plus 0307
    4%+ flux solids, L or M0, pin testable
SnCX Plus™ 07           4%+ flux solids, L or M0, moderately pin testable
            7%+ flux solids, L,M or H1, not pin testable
0ºC to 100ºC - standard profile cycles
0ºC to 100ºC - standard and shock profile cycles
- 25ºC to 125ºC - standard and shock profile cycles
- 45ºC to 125ºC - standard and shock profile cycles
Thermal Fatigue Resistance


Alpha Recycling Services

  • Dross Recycling


    The Effect of FR-4 Laminate Materials on the Surface Insulation Resistance of Wave Soldering Fluxes - Download Whitepaper
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