Industries

AIM W20 Water Soluble Solder Paste – A zero halide/halogen

  • Item Number: W20
  • Manufacturer: AIM
  • Lead Type: Available in Lead-Free and Leaded Versions
  • Alloys: Contact Avantek for details.
  • Type: Water Soluble, Zero Halide/Halogen
  • Powder Sizes: T4, T5
  • Shelf Life: Contact Techniq VN for details.

1. Product Overview

AIM’s W20 is a zero halide/halogen water-soluble solder paste formulated for enhanced wetting on all solderable electronic surfaces. It offers excellent print characteristics, extended stencil life (8+ hours), and easy residue removal using plain water. The formulation ensures compliance with RoHS and J-STD-004/B standards.

2. Applications

  • Suitable for PCB assembly and electronics manufacturing
  • Designed for fine-pitch printing with availability in T4 and T5 powder sizes
  • Effective for low stand-off components, ensuring complete residue removal
  • Extended cleaning window of 2+ weeks, making it ideal for long-term processing

3. Typical Properties – Specifications

Property Test Method Typical Result
Flux Classification J-STD-004B ORM0
Halogen Content EN 14582 400 ppm (Halogen-Free)
Quantitative Halides IPC-TM-650 2.3.28.1 200 ppm (Halide-Free)
Copper Mirror Test J-STD-004B 3.4.1.1 Medium (<50% Breakthrough)
Corrosion Test J-STD-004B 3.4.1.2 Pass
Surface Insulation Resistance IPC-TM-650 2.6.3.7 >100 MΩ
Acid Value IPC-TM-650 2.3.13 54.2 mgKOH/g flux
Viscosity (Brookfield) IPC-TM-650 2.4.34 500 – 800 kcps
Viscosity (Malcolm) IPC-TM-650 2.4.34 150 – 210 Pa.s
Tack Strength IPC-TM-650 2.4.44 43.8 gf
Slump Test J-STD-005A 3.6 Pass
Solder Ball Test J-STD-005A 3.7 Pass (15 min & 4 hours)
Wetting Test J-STD-005A 3.9 Pass

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