Applications

SYLGARD™ 567 Primerless Silicone Encapsulant – Encapsulant – Electronics Potting & Solar Cells

-Item Name: SYLGARD™ 567 Primerless Silicone Encapsulant
-Manufacturer: The Dow Chemical Company
-Technologies: Two-part, heat cure, 1:1 mix, primerless silicone encapsulant kit
-Color: Black
-Cure Type: Heat cure
-Package Size: Contact to Avantek for details.
-Shelf Life: Contact to Avantek for details.

1. Product Overview

SYLGARD™ 567 Primerless Silicone Encapsulant is a two-part, heat-cure, black silicone encapsulant with a 1:1 mix ratio. It is self-priming, flowable, and provides good flame resistance (UL 94 V-0). The material has low viscosity, enabling it to fill narrow spaces and complex geometries, and offers good dielectric properties. It cures at controlled temperatures and does not require an additional priming step.

2. Applications

SYLGARD™ 567 is suitable for general potting applications, including:

  • Power supplies
  • Automotive assembly
  • LED lighting
  • Connectors
  • Industrial controls
  • Amplifiers
  • Relays
  • High voltage resistor packs
  • Encapsulant for solar cells

3. Typical Properties

Before Mixing (Uncured Components)

Property Unit Part A Part B
Color Black Black
Viscosity cP (Pa-sec) 1700 (1.7) 1600 (1.6)
Specific Gravity 1.24

After Mixing & Curing

Property Unit Result
Mix Ratio 1:1
Thermal Conductivity W/m·K (BTU/hr·ft·°F) 0.29 (0.17)
Durometer Shore A 40
Dielectric Strength volts/mil (kV/mm) 405 (16)
Volume Resistivity ohm·cm 6 × 10¹⁶
Dielectric Constant (100 Hz) 2.85
Dielectric Constant (100 kHz) 2.79
Dissipation Factor (100 Hz) 0.008
Dissipation Factor (100 kHz) 0.002
Linear Coefficient of Thermal Expansion (CTE) µm/m·°C (ppm) 300
Heat Cure Time at 70°C Minutes 180
Heat Cure Time at 100°C Minutes 120

Everwide FX244-1: High Performance for Precision Molding

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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