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LOCTITE STYCAST 2850FT BL – Epoxy Encapsulant – High voltage insulation and mechanical protection for power supplies, transformers, bushings, insulators

  • Item Name: LOCTITE STYCAST 2850FT BL
  • Manufacturer: Henkel
  • Product category: Encapsulant/Potting Adhesive
  • Technologies: Epoxy
  • Applications: Designed for high voltage applications such as power supplies, transformers, bushings, and insulators.
  • Color: Blue
  • Cure type: Heat cure
  • Package size: Contact to Techniq VN for details
  • Shelf life: 1 year

1. Product Overview

LOCTITE STYCAST 2850FT BL is a two-component epoxy encapsulant designed for high thermal conductivity, low thermal expansion, and excellent electrical insulation. It offers high chemical and solvent resistance, along with superior thermal and mechanical shock resistance.

2. Applications

  • High-voltage applications: Power supplies, transformers, bushings, and insulators.
  • Used where electrical insulation and mechanical protection are required while ensuring effective heat transfer.

3. Typical Properties

Uncured Properties

Property Value
Resin (Part A) – Viscosity @ 25°C 250,000 mPa·s (cP)
Resin (Part A) – Density 2.43 g/cm³
Shelf Life @ 18-25°C 1 year
Catalyst (Part B) – Pot Life (4.5 kg mass) 4 hours

Curing Performance

Cure Condition Duration
80°C 16 hours
100°C 2 hours
125°C 1 hour
Post Cure (150°C) 4 hours

Cured Properties

Property Value
Shore Hardness (D) 95
Coefficient of Thermal Expansion (10⁻⁶ K⁻¹) 32
Glass Transition Temperature (Tg) 105°C
Thermal Conductivity 1.38 W/m·K
Flexural Modulus 14,000 MPa
Flexural Strength 85 MPa

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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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