Industries

BERGQUIST LIQUI FORM TLF 3800LVO

  • Item Name: BERGQUIST LIQUI FORM TLF 3800LVO
  • Manufacturer: Henkel
  • Product Category: Thermal Interface Material (TIM)
  • Technologies: One-part, dispensable, pre-cured silicone gel
  • Applications: Handheld devices, BGA/PGA/PPGA, heat spreaders, heat sinks, low-assembly-pressure devices, high-value assemblies with rework
  • Color: Gray
  • Cure Type: Pre-cured gel (no curing required)
  • Package Size: Cartridges (30cc, 150cc, 300cc, 600cc), Pail (1 gallon, 4.3 gallons)
  • Shelf Life: 12 months

1. Product Overview

BERGQUIST LIQUI FORM TLF 3800LVO is a high-performance, thermally conductive, one-part liquid formable gel material designed for thermal management applications. It is a pre-cured, dispensable gel with low volatility, making it suitable for silicone-sensitive applications.

  • Technology: Silicone-based
  • Appearance: Gray paste
  • Cure: Pre-cured gel (no curing required)
  • Operating Temperature Range: -60°C to 200°C
  • Thermal Conductivity: 3.8 W/m-K
  • UL Flammability Rating: UL 94 V-0

2. Applications

  • Thermal interface material (TIM) for heat dissipation
  • Handheld electronic devices
  • Bare die to heat spreader lid applications
  • Filling gaps between heat-generating components and heat sinks/housings
  • Low assembly pressure applications
  • High-value assemblies requiring rework
  • BGA, PGA, PPGA packages

3. Typical Properties

Uncured Material

Property Test Method Value
Density ASTM D792 3.1 g/cc
Shelf Life @ 25°C 365 days

Cured Material

Physical Properties

Property Test Method Value
Dispense Rate (30cc syringe, 90 psi, 0.100″ orifice) 25 g/min
Siloxane Content (ΣD4-D10) ASTM F2466 <100 ppm
Heat Capacity ASTM D2169 0.74 J/g-°C
Low Shear Viscosity (@ 1.0 s⁻¹) ASTM D2196 1,200 Pa·s
High Shear Viscosity (@ 100 s⁻¹) ASTM D5099 300 Pa·s

Electrical Properties

Property Test Method Value
Dielectric Strength ASTM D149 10,000 V/mm
Dielectric Constant (@ 1,000Hz) ASTM D150 8
Volume Resistivity ASTM D257 1×10¹⁰ Ω·m

Thermal Properties

Property Test Method Value
Thermal Conductivity ASTM D5470 3.8 W/m-K

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