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Lead Free Solder Wire with Water Soluble Flux

Lead Free solder wire with WS700 flux

Lead Free solder wire with WS700 flux

MPN: Qualitek SAC305 WS700

Looking for nice bright solder joints with a lead free solder wire? Water soluble flux is the answer.

  • An excellent Qualitek solder wire for PCB soldering
  • Active flux that once washed leaves a bright solder finish
  • Available in 4 different gauges

£43.73 ex VAT(£52.48 inc VAT)
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£51.98 ex VAT(£62.38 inc VAT)
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£47.67 ex VAT(£57.20 inc VAT)
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£42.95 ex VAT(£51.54 inc VAT)
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Product Description

This lead free solder wire is used for PCB assembly where a post cleaning process is required to remove all flux residues and leave a very bright solder finish. The SAC305 is a recognised lead free solder alloy with a 96.5% Tin 3% Silver and 0.5% Copper alloy. The WS700 Qualitek flux chemistry produces rapid wetting and is ideal for PCB soldering.

Supplied on 500g Reels with a 3.3% flux core

Easy cleaning in water 130°F - 150°F

Cleaning produces excellent bright shiny solder joints

Flux residues must be cleaned

Customer Reviews

By on
"Excellent wetting ability with nice shiny finish. Flux cleans off easily and completely in warm water. Use a good tip cleaner regularly during soldering to keep it flowing nicely."
Star Rating 5


Flux: Water Soluble flux. Classification: ORH1
Flux core content 3.3%
Alloy: Tin 96.5% Silver 3% Copper 0.5% 
Melting Range: 217 - 219° C
Residue removal: Warm water rinse or in-line cleaning must be carried out.
Standards: Conforms to J-STD-004 and J-STD-006

Somerset Solders

Leading stockist of lead free and leaded solder wires, pastes and bar. Liquid fluxes and flux gels stocked.

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Lead Free Solder Wire with Water Soluble Flux