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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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BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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