Applications

LOCTITE® TLB 9300 APSi – Adhesive – Thermal Conductive Bonding

  • Item Name: LOCTITE® TLB 9300 APSi
  • Manufacturer: Henkel
  • Technologies: 2K Polyurethane
  • Color: Component A – Blue, Component B – White
  • Cure Type: Room Temperature or Heat Cure
  • Package Size: Contact to Techniq VN for details.
  • Shelf Life: 4 months

1. Product Overview

LOCTITE® TLB 9300 APSi is a two-component polyurethane adhesive with high thermal conductivity, moderate viscosity, good electrical insulation, and strong bonding performance.

Key Benefits:

  • High thermal conductivity (3.2 W/m·K)
  • Solvent-free formulation
  • Extended open time with rapid hardness buildup
  • Strong adhesion to aluminum and PET film

2. Applications

  • Thermal conductive bonding applications
  • Bonding of aluminum and PET film
  • Electronic assembly requiring high thermal conductivity

3. Typical Properties

Uncured Material

Property Component A Component B
Appearance Blue paste White paste
Viscosity (Pa.s @ 25°C, Rheometer) 205 150
Density (g/cc @ 25°C) 2.4 2.9
Mix Ratio (by volume) 1:1

Cured Material (25°C, 50% RH, 24h Cure)

Property Value
Density (g/cc) 2.65
Thermal Conductivity (W/m·K) 3.2
Hardness (Shore A) 93 (24h), 78 (60min), 88 (80min)
Working Time (@25°C) 32 min
Shrinkage (%) 0.6
Non-Volatile Content (%) 99.95
Flammability (2mm, UL 94V-0) Pass

Electrical & Mechanical Properties

Property Value
Dielectric Strength (ohm·cm) 2×10¹²
Breakdown Voltage (KV/mm) 18
Lap Shear Strength (MPa, 3003 Al) 2.6
180° Peel Strength (Al + PET film, gf/10mm) 540

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