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LOCTITE STYCAST E 2534 FR CAT 9

  • Item Name: LOCTITE STYCAST E 2534 FR CAT 9
  • Manufacturer: Henkel
  • Product Category: Epoxy Potting Compound
  • Technologies: Epoxy
  • Applications: Designed for potting applications that require flame retardancy and high dielectric strength.
  • Color: Blue
  • Cure Type: Room Temperature or Heat Cure
  • Package Size: Contact Avantek for details.
  • Shelf Life: 1 year

1. Product Overview

LOCTITE STYCAST E 2534 FR CAT 9 is a flame-retardant, halogen-free epoxy potting compound with high thermal conductivity and high dielectric strength. It is a two-component system that cures at room temperature or with heat.

  • Technology: Epoxy
  • Appearance: Blue
  • Mix Ratio (by weight, Resin: Hardener): 100:4
  • Curing: Room temperature (16–24 hrs @ 25°C) or heat cure (2 hrs @ 65°C)
  • Operating Temperature:
    • Continuous: -40 to 130°C
    • Intermittent: -40 to 150°C
  • UL Flammability Rating: UL94V-0 @ 6 mm thickness

2. Applications

  • Potting applications requiring flame retardancy, high thermal conductivity, and dielectric strength
  • Suitable for electronics and electrical encapsulation
  • Can be used with various catalysts (excluding Catalyst 27-1, which is incompatible)

3. Typical Properties

Uncured Properties (Part A – Resin E 2534 FR)

Property Value
Viscosity @ 25°C 350,000 mPa·s (cP)
Specific Gravity 2.1
Shelf Life 1 year @ 18–25°C

Cured Properties

Property Value
Coefficient of Thermal Expansion (TMA) 39 ppm/°C (below Tg)
Glass Transition Temperature (Tg) (TMA) 76°C
Thermal Conductivity 1.5 W/(m-K)
Hardness (Shore D) 90
Water Absorption @ 25°C (24 hrs) 0.03%

Electrical Properties

Frequency Dielectric Constant Dissipation Factor
60 Hz 6.6 0.03
1 kHz 6.1 0.03
1 MHz 6.0 0.02

Lap Shear Strength (N/mm²)

Material @ 25°C @ 125°C @ 150°C @ 180°C
Aluminum 11.06 4.42 4.74 3.05
PBT 4.64 2.97 2.15 1.55

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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