Applications

LOCTITE® HHD 3613BK – Polyurethane hot melt adhesive for structural bonding in electronic device assembly

Item Name: LOCTITE® HHD 3613BK
Manufacturer: Henkel
Technologies: Polyurethane Hot Melt
Color: Black
Cure Type: Solidification and Moisture
Package Size: Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE® HHD 3613BK is a one-component reactive polyurethane hot melt adhesive. It cures by solidification and moisture, providing good reworkability. It is suitable for automatic and manual assembly processes in electronic device assembly and structural bonding applications.


2. Applications

  • Structural adhesive

  • Electronic device assembly

  • Automatic or manual assembly processes

3. Typical Properties

Uncured Material

Property Value
Technology Polyurethane hot melt
Appearance Black
Solids Content 100 %
Odor Slight
Viscosity @ 110 °C, Brookfield Thermosel 4,700 mPa·s
Density @ 25 °C 1.1 g/cm³
Open Time @ 25 °C ~3 min
Preheating Schedule 20–30 min @ 110 °C
Application Temperature 100–120 °C
Cure Schedule 1–7 days (final strength)

Cured Material

Property Value
Lap Shear Strength (PC to PC, 24 h) >8 N/mm²

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