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LOCTITE STYCAST ES 6005 – Epoxy Potting and Encapsulating Compound – Fast gelling, resilient encapsulation for high volume electronic parts

  • Item Name: LOCTITE STYCAST ES 6005
  • Manufacturer: Henkel Corporation
  • Product category: Epoxy potting and encapsulating compound
  • Technologies: Two-component epoxy system with fast gelling properties designed for easy meter-mix dispense machinery
  • Applications: Ideal for high-volume potting and encapsulating applications.
  • Color: Component A (Resin) is Black; Component B (Hardener) is Amber-green
  • Cure type: Room temperature cure
  • Package size: Contact to Techniq VN for details
  • Shelf life: Contact to Techniq VN for details

1. Product Overview

LOCTITE STYCAST ES 6005 is a resilient, low-cost, fast-gelling epoxy potting compound. It is designed for high-volume encapsulation and works efficiently with 2:1 meter-mix-dispense machinery while minimizing abrasion.

  • Technology: Epoxy
  • Cure Type: Room temperature or heat cure
  • Color:
    • Part A (Resin): Black
    • Part B (Hardener): Amber-green
  • Mix Ratio:
    • By Volume: 2:1 (Part A: Part B)
    • By Weight: 100:29.5 (Part A: Part B)
  • Applications: Potting and encapsulation for electronic components
  • Certifications:
    • UL 1446 classified as a potting compound up to 180°C
    • UL 94HB flame retardant at 1.5 mm thickness

2. Applications

LOCTITE STYCAST ES 6005 is suitable for:
✔ Potting and encapsulating high-volume electronic parts
✔ Applications requiring fast gel times and low abrasion
✔ Use with automated dispensing systems

3. Typical Properties

Before Mixing

Property Part A (Resin) Part B (Hardener)
Density @ 25°C (g/cm³) 1.63 0.97
Viscosity @ 25°C (mPa∙s) 11,000 170

After Mixing

Property Mixed Material
Density @ 25°C (g/cm³) 1.41
Viscosity @ 25°C (mPa∙s) 1,500
Pot Life @ 25°C (400g mass) 10 minutes
Gel Time @ 25°C (400g mass) 25 minutes

Curing Conditions

  • 16 hours @ 25°C (Recommended)
  • 2 hours @ 66°C (Alternate)

After Curing

Property Value Standard
Glass Transition Temperature (°C) 14 ISO 11357-2
Thermal Expansion (K⁻¹) 47×10⁻⁶ (Pre-Tg) / 167×10⁻⁶ (Post-Tg) ASTM D7012
Thermal Conductivity (W/m-K) 0.288 ISO 8302
Hardness (Shore D) 70 ISO 868
Water Absorption (% @ 25°C, 24h) 0.3 ISO 62
Tensile Strength (N/mm² / psi) 12.4 / 1,800 ISO 527-2

Electrical Properties

Property Value Standard
Volume Resistivity (Ω·cm) 4.9×10¹³ IEC 60093
Surface Resistivity (Ω) 5.4×10¹⁴ IEC 60093
Arc Resistance (s) 87 ASTM D495
Dielectric Breakdown Strength (kV/mm) 38 IEC 60243-1
Dielectric Constant / Dissipation Factor IEC 60250
100-Hz 5.2 / 0.04
1-kHz 5.0 / 0.03
100-kHz 4.5 / 0.03

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