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BERGQUIST GAP FILLER TGF 1450

  • Item Name: BERGQUIST GAP FILLER TGF 1450
  • Manufacturer: Henkel
  • Product Category: Thermally Conductive Gap Filler
  • Technologies: Silicone-based, thermally conductive liquid gap filler
  • Applications: Automotive electronics (HEV, NEV, batteries), lighting
  • Color: Blue (cured), Part A – Blue, Part B – Light Blue
  • Cure Type: Heat cure or room temperature cure
  • Package Size: Contact Avantek for details
  • Shelf Life: 6 months

1. Product Overview

BERGQUIST GAP FILLER TGF 1450 is a two-part, high-performance, thermally conductive liquid gap filler designed for thermal management applications. It features a shear-thinning viscosity for easy dispensing and offers low stress on sensitive components. The material cures at room temperature or can be accelerated with heat curing.

Key Features & Benefits:

  • Thermal conductivity: 1.5 W/m-K
  • Ultra-conforming with excellent wet-out for near-zero interface stress
  • No cure by-products
  • Low density, ideal for weight-sensitive applications
  • High-temperature stability from -60°C to 175°C
  • Flame retardant (UL 94 V-0)
  • Available with or without glass beads

2. Applications

  • Automotive electronics (HEV, NEV, batteries)
  • Lighting
  • General thermal interface applications requiring high-performance gap filling

3. Typical Properties

Uncured Material

Property Test Method Value
Viscosity (High Shear, 3,000 s⁻¹) ASTM D5099 30 Pa∙s
Viscosity (Low Shear, 1 s⁻¹) ASTM D2196 200 Pa∙s
Density ASTM D792 1.85 g/cc
Pot Life @ 25°C ASTM D4473 60 minutes

Cure Schedule

Temperature Time
25°C 5 hours
100°C 10 minutes
Alternate 100°C Cure 30 minutes

Cured Material Properties

Property Test Method Value
Hardness (Shore 00, 30s delay) ASTM D2240 40
Heat Capacity ASTM D1269 1.0 J/g-K

Electrical Properties

Property Test Method Value
Dielectric Strength ASTM D149 275 V/mil
Dielectric Constant @ 1,000Hz ASTM D150 6.4
Volume Resistivity ASTM D257 1×10¹⁰ ohm-meter

Thermal Properties

Property Test Method Value
Thermal Conductivity ASTM D5470 1.5 W/m-K

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