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LOCTITE® HYDX-20 – Flux – Wave Soldering

  • Item Name: LOCTITE® HYDX-20
  • Manufacturer: Henkel
  • Technologies: Water-wash liquid flux
  • Color: Green
  • Cure Type: N/A
  • Package Size: Contact to Techniq VN for details.
  • Shelf Life: 2 years

1. Product Overview

LOCTITE® HYDX-20 is a water-soluble liquid flux designed for wave soldering, especially for surfaces with poor solderability where water cleaning is acceptable. It offers readily water-cleanable residues, no white residue after cleaning, and a sustained activity to maximize process efficiency. It performs well on difficult-to-solder surfaces and is highly effective for high-speed soldering of both conventional leaded and SMD components. The product ensures good through-hole penetration without affecting properly cured solder resists.

2. Applications

LOCTITE® HYDX-20 is recommended for electronics applications where water cleaning is acceptable. It is suitable for applications requiring high performance and reliability. It can be applied using foam, wave, or spray fluxing.

3. Typical Properties

Before Mixing (Flux Properties)

Property Value
Solids Content 20%
Halide Content 0.98% Cl
Acid Value 24 mgKOH/g
Specific Gravity (25°C) 0.874
Color Green
Freeze-Thaw Stability (-20°C) No separation
Recommended Thinner PC70i

After Mixing (Reliability Properties)

Property Test Specification Result
Surface Insulation Resistance (SIR) J-STD-004 Pass (after cleaning)
Flux Activity Classification J-STD-004 ORH1
Flux Activity Classification EN29454 2.1.2

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