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AIM WS488 Water Soluble Solder Paste – High-performance

  • Item Number: WS488
  • Manufacturer: AIM
  • Lead Type: Available in Lead-Free and Leaded Versions
  • Alloys: Contact Avantek for details.
  • Type: Water Soluble Solder Paste
  • Package: Contact Techniq VN for details.
  • Shelf Life: Contact Techniq VN for details.

1. Product Overview

WS488 is a water-soluble solder paste engineered for superior wetting on various electronic surfaces, components, and assemblies. It provides excellent print characteristics, extended stencil life (8+ hours), and robust environmental tolerance. WS488 is compatible with both leaded and lead-free alloys. Its residues are highly soluble and easily cleaned with plain water, making it a reliable choice for high-performance soldering applications.

2. Applications

  • Designed for soldering electronic components and assemblies.
  • Suitable for use in various PCB and SMT applications.
  • Compatible with leaded and lead-free alloys.
  • Ideal for processes requiring easy water-based cleaning.

3. Typical Properties – Specifications

Property Test Method Results
IPC Flux Classification J-STD-004 / J-STD-004B ORM1
Copper Mirror Test IPC-TM-650 2.3.32 <50% Breakthrough
Corrosion Test IPC-TM-650 2.6.15 Minor
Quantitative Halides IPC-TM-650 2.3.28.1 0.07%
Qualitative Halides IPC-TM-650 2.3.33 Present
Fluoride Spot Test IPC-TM-650 2.3.35.1 No Fluoride
Surface Insulation Resistance (SIR) IPC-TM-650 2.6.3.7 PASS (Cleaned)
Acid Value IPC-TM-650 2.3.13 55.2 mg KOH/g
Flux Viscosity IPC-TM-650 2.4.34 600-1000 Kcps
Slump Resistance IPC-TM-650 2.4.35 PASS
Solder Ball Test IPC-TM-650 2.4.43 PASS
Tack Test IPC-TM-650 2.4.44 30.5 gf
Wetting IPC-TM-650 2.4.45 PASS
Visual Appearance J-STD-004B 3.4.2.5 Dark Brown

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