Products

SYLGARD™ 170 Fast Cure Silicone Elastomer

  • Technology: Two-part silicone encapsulant
  • Brand Name: SYLGARD™ 170 Fast Cure Silicone Elastomer
  • Manufacturer: Dow Chemical Company
  • Package Size: Contact Avantek for details.
  • Shelf Life: Contact Avantek for details.

1. Product Overview

SYLGARD™ 170 Fast Cure Silicone Elastomer is a two-part, black, general-purpose encapsulant with a 1:1 mix ratio. It features low viscosity, fast room-temperature or heat-accelerated cure, and moderate thermal conductivity. The material is UL 94 V-0 flame-rated and suitable for potting and encapsulation of electrical and electronic components.

2. Applications

This silicone elastomer is designed for potting and encapsulation in applications such as:

  • Power supplies
  • Connectors
  • Sensors
  • Industrial controls
  • Transformers
  • Amplifiers
  • High-voltage resistor packs
  • Relays

3. Typical Properties

Unmixed Properties

Property Unit Part A Part B
Color Black Black
Viscosity cP / Pa·s 3,436 / 3.4 1,287 / 1.2
Specific Gravity 1.38 1.38

Mixed Properties

Property Unit Result
Viscosity cP / Pa·s 2,361 / 2.3
Mix Ratio 1:1
Working Time (Pot Life) Minutes 3.9
Cure Time at 25°C Hours 0.2
Hardness Shore A 41.45
Thermal Conductivity W/m·K 0.4
Dielectric Strength kV/mm 14
Volume Resistivity Ohm·cm 2.42 × 10¹⁵
Dielectric Constant (100 Hz) 3.53
Dielectric Constant (100 kHz) 3.45
Dissipation Factor (100 Hz) 0.0038
Dissipation Factor (100 kHz) 0.0008
Operating Temperature Range °C -45 to 200

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