Brand Name: SYLGARD™ 160 Silicone Elastomer
Package Size: Available in various sizes, including 210 mL kits, 24.9 kg pails, and 226.7 kg drums.
Shelf Life: approximately 12 months (1 year) from the date of manufacture.
Product Overview
SYLGARD™ 160 Silicone Elastomer is a two-part, 1:1 mix, dark gray encapsulant designed for general-purpose potting applications. It offers good flowability, moderate thermal conductivity, and flame resistance, making it suitable for protecting electronic components. The elastomer cures at room temperature or can be heat-accelerated for faster processing. It is composed of polydimethylsiloxane and is recognized under UL 94 V-0 for its flame-retardant properties.
Applications
SYLGARD™ 160 Silicone Elastomer is commonly used in:
Typical Properties
| Property | Unit | Value |
|---|---|---|
| Color | Dark Gray | |
| Mix Ratio | 1:1 | |
| Viscosity (Part A) | cP (Pa·s) | 6,000 (6) |
| Viscosity (Part B) | cP (Pa·s) | 3,730 (3.7) |
| Viscosity (Mixed) | cP (Pa·s) | 4,865 (4.8) |
| Specific Gravity (Part A) | 1.61 | |
| Specific Gravity (Part B) | 1.60 | |
| Thermal Conductivity | W/m·K | 0.62 |
| Working Time at 25°C (Pot Life) | minutes | 20 |
| Cure Time at 25°C | hours | 24 |
| Heat Cure Time at 100°C | minutes | 4 |
| Durometer Hardness | Shore A | 56 |
| Dielectric Strength | kV/mm | 19 |
| Volume Resistivity | ohm·cm | 5.6 × 10¹⁴ |
| Dielectric Constant at 100 Hz | 3.51 | |
| Dielectric Constant at 100 kHz | 3.45 | |
| Dissipation Factor at 100 Hz | 0.0047 | |
| Dissipation Factor at 100 kHz | 0.00118 | |
| Linear Coefficient of Thermal Expansion (CTE) | µm/m·°C (ppm) | 200 |
| UL Relative Temperature Index (RTI) | °C | 150 |
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