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LOCTITE STYCAST ESP 4536 – Epoxy Surface Mount Adhesive – Fast-setting, heat cure adhesive for surface mounted devices

  • Item Name: LOCTITE STYCAST ESP 4536
  • Manufacturer: Henkel Corporation
  • Product category: Epoxy encapsulant/adhesive for surface mount devices
  • Technologies: One-component, solvent-free epoxy with high temperature and environmental resistance, and high shear strength
  • Applications: Ideal for surface-mounted devices requiring fast-setting adhesive performance under high shear loads
  • Color: Gray
  • Cure type: Heat cure
  • Package size: Contact to Techniq VN for details
  • Shelf life: 270 days (when stored at 0 to 8°C)

1. Product Overview

LOCTITE STYCAST ESP 4536 is a one-component, solvent-free epoxy adhesive designed for surface-mounted devices (SMDs). It offers high-temperature resistance, excellent environmental resistance, and high shear strength. It is a fast-setting adhesive that cures upon heating.

2. Applications

  • Designed for surface-mounted devices (SMDs)
  • Suitable for industrial bonding requiring high shear strength
  • Operates effectively within a temperature range of -40 to +180°C

3. Typical Properties

Uncured Properties

Property Value
Appearance Gray
Specific Gravity 1.19
Viscosity (mPa∙s) 7,500
Shelf Life (0 to 8°C) 270 days

Curing Performance

Cure Temperature Cure Time
100°C 120 min
120°C 45 min
150°C 15 min

Note: Cure time may vary depending on heating method and component size.

Cured Properties

Property Value
Coefficient of Thermal Expansion 65 ppm/°C
Maximum Gap Fill <0.5 mm

Performance on Steel Substrates

Property Value
Shear Strength 22 N/mm² (3,190 psi)

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