Applications

BERGQUIST BOND PLY TBP 400B – Adhesive Tape – Thermal Management & Electronics

Item Name: BERGQUIST BOND PLY TBP 400B
Manufacturer: Henkel
Technologies: Acrylic-based, thermally conductive adhesive tape
Color: White
Cure Type: Pressure-sensitive adhesive
Package Size: Contact to Techniq VN for details.
Shelf Life: 6 to 12 months (depending on storage conditions)

1. Product Overview

BERGQUIST BOND PLY TBP 400B (also known as BOND-PLY 660B) is a silicone-free, thermally conductive, electrically insulating, double-sided pressure-sensitive adhesive tape. It is designed to replace mechanical fasteners in thermal management applications.

2. Applications

  • Mounting heat sinks onto BGA graphic processors
  • Mounting heat sinks onto drive processors
  • Mounting heat spreaders onto power converter PCBs
  • Mounting heat spreaders onto motor control PCBs

3. Typical Properties

Property Value
Physical Properties
Temperature Coefficient of Resistance (°C) 200
Elongation (ASTM D412, %) 40
Tensile Strength (ASTM D412, MPa) 210
Glass Transition Temperature (°C) -30
Coefficient of Thermal Expansion (ppm) 250
Flammability Rating (UL 94) V-0
Adhesion Properties
Lap Shear Strength (ASTM D1002, MPa)
– @ 25°C 0.7
– After 5 hrs @ 100°C 1.4
– After 2 mins @ 200°C 1.4
Static Dead Weight Shear Strength (°C) 150
Electrical Properties
Dielectric Breakdown Voltage (Vac) 6,000
Thermal Properties
Thermal Conductivity (W/m-K) 0.4
Thermal Performance vs. Pressure (°C/W)
– @ 10 psi 5.28
– @ 25 psi 5.1
– @ 50 psi 4.95
– @ 100 psi 4.8
– @ 200 psi 4.51

Shelf Life & Storage

  • Shelf life:
    • 6 months at ≤35°C
    • 3 months at ≤45°C
    • 12 months at ≤60°C (without liner adhesion considerations)

Configurations Available

  • Roll form
  • Die-cut parts

Key Features & Benefits

  • Replaces mechanical fasteners or screws
  • Provides electrical insulation
  • High thermal conductivity
  • Double-sided, pressure-sensitive adhesive

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