Products

SYLGARD™ 517 Dielectric Gel

  • Technology: Two-part silicone dielectric gel
  • Brand Name: SYLGARD™ 517 Dielectric Gel Kit
  • Manufacturer: Dow
  • Package Size: Contact Avantek for details.
  • Shelf Life: 12 months

1. Product Overview

SYLGARD™ 517 Dielectric Gel Kit is a two-part, clear silicone gel designed for sealing and protecting delicate electronic components. It features low viscosity, a 1:1 mixing ratio, and cures at room or elevated temperatures without by-products. The gel exhibits self-healing properties, permanent adhesion to most materials, and remains stable and flexible from -50°C to +200°C.


2. Applications

SYLGARD™ 517 Dielectric Gel Kit is used for:

  • Sealing and protecting delicate electronic circuits from moisture and contaminants
  • Encapsulating hybrid devices and other sensitive electronics
  • Sealing small appliances requiring dielectric protection

3. Typical Properties

As Supplied (Before Mixing)

Property Unit Part A Part B Test Method
Color Clear Clear CTM 0176
Viscosity at 23°C mPa.s 450 450 ASTM D1084

Mixed 1:1 (Before Curing)

Property Unit Result Test Method
Viscosity at 23°C mPa.s 450 ASTM D1084
Specific Gravity at 23°C 0.97 ASTM D0792

Cured (After 1 Hour at 150°C)

Property Unit Result Test Method
Color Clear CTM 0176
Penetration mm × 10⁻¹ 45
Dielectric Strength kV/mm 15 ASTM D0149
Volume Resistivity Ohm.cm 3×10¹⁵ ASTM D257

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