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Silicones from Dow Corning
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Fascinating Silicone™ The Versatile Silicone Toolbox – Silicone Gels: Types and Uses

Silicone gels – types and uses

Types of silicone gels

Silicone gels are solventless, “jelly-like” materials available in two basic forms:

1. User-cured silicone dielectric gels:  Very sticky materials that are cured in place to form a cushioning, self-healing, resilient material.

Silicone dielectric gels are usually two-part products. They may be cured at room temperature or utilize a heat-accelerated cure. One-part and UV-curable materials are also available, along with: 

  • Low-volatility gels that do not fog optical surfaces
  • Gels that maintain their flexibility and resilience at extremely low temperatures
  • Optically clear gels for LEDs
  • Solvent-resistant gels
  • Flame-resistant gels
  • Thermally conductive gels

2. Pre-cured gels: One-part materials designed for use “as is” by formulators.

Learn about the structure and properties of silicone gels.

Uses for silicone gels

Silicone dielectric gels protect circuits, assemblies and components.

Silicone dielectric gels are used primarily in electronics manufacturing. They: 

  • Give high levels of stress relief to sensitive electronic circuits
  • Protect electronic assemblies and components from moisture and adverse environments
  • Provide primary or secondary environmental protection/passivation
  • Encapsulate electronics ranging from micro devices to large modules, including:
      • Underhood automotive applications
      • High-voltage electrical components
      • Outdoor lighting modules
      • Electrical coils
      • Light emitting diodes (LEDs)

In beauty and personal care products, silicone formulating gels provide a unique sensory experience.

Silicone formulating gels are used primarily in beauty and personal care formulations:

  • As formulation aids to increase viscosity and keep solids in suspension
  • To deliver actives, such as oil-soluble vitamins, sunscreens, antiperspirant salts, and fragrances, and extend fragrance duration
  • To give the user a unique sensory experience – provide a smooth, velvety, powdery feel
  • To improve spreadability by decreasing application effort and the perception of drag

Did you know ... specially formulated silicone gels can maintain their properties at temperatures as low as -80°C (-112°F)!


Visit the silicone showcase to see the benefits silicone gels and other materials bring to a wide range of industries.

Did you know ... silicone gels are hybrid materials that combine many of the properties of a silicone fluid with some (or most of) the dimensional stability of a silicone elastomer!

Expand your understanding

Learn about: The structure and properties of silicone gels.

Success story: Silicone gel protects water meter circuits from severe conditions.

Learn about silicone gels from Dow Corning: Explore products for your application.

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