Applications

SYLGARD™ Q3-3600 Thermally Conductive Encapsulant

  • Technology: Thermally Conductive Silicone Encapsulant
  • Brand Name: SYLGARD™ Q3-3600 Thermally Conductive Encapsulant
  • Manufacturer: Dow
  • Package Size: Contact Avantek for details.
  • Shelf Life: Contact Avantek for details.

1. Product Overview

SYLGARD™ Q3-3600 is a two-part, thermally conductive silicone encapsulant with a 1:1 mix ratio. It is highly flowable, self-leveling, and offers versatile heat curing with a long working time at room temperature. The encapsulant provides efficient thermal management by conducting heat away from electronic components while offering a UL 94 V-1 flammability rating.

2. Applications

SYLGARD™ Q3-3600 is designed for:

  • Encapsulating and protecting electronic components in automotive and industrial applications
  • Enhancing thermal transfer for heat dissipation in PCB system assemblies
  • Providing insulation and environmental protection to sensitive components

3. Typical Properties

Property Unit Part A (Base) Part B (Catalyst) Mixed Cured
Color – Gray Gray Gray Gray
Viscosity cP 4500 3000 3200 –
Specific Gravity – – – – 2.15
Durometer Hardness Shore A – – – 89
Tensile Strength psi (MPa) – – – 957 (6.6)
Elongation % – – – 55
Lap Shear Strength (Al) psi (MPa) – – – 653 (4.5)
Dielectric Strength volts/mil – – – 660
Volume Resistivity ohm-cm – – – 1E+15
Thermal Conductivity W/m·K – – – 0.8
Heat Cure Time at 150°C minutes – – – 60
UL Flammability Rating – – – – 94 V-1

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FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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