Silicone Dielectric Gel

DC Products offers a premium range of silicone dielectric gel solutions that ensure reliable electrical insulation and environmental protection for delicate electronic parts. As an authorised distributor of Momentive Performance Materials (formerly GE Silicones) and CHT Silicones, we provide high-quality silicone dielectric gels trusted by industries such as automotive, aerospace, renewable energy, and industrial electronics.

Our silicone dielectric gel products offer exceptional dielectric strength, low volatility, and long-lasting stability, making them ideal for potting, encapsulation, and sealing applications where both electrical performance and durability are crucial.

Some of the products we offer include: RTV615, RTV6136, QSIL216, TufGel330, TufGel336, EGEL3000, QGEL301, QGEL310.

What is Silicone Dielectric Gel?

Silicone dielectric gel is a soft, flexible, two-part silicone designed to deliver electrical insulation and safeguard electronic assemblies against moisture, vibration, thermal shock, and contaminants. Unlike stiff potting compounds, dielectric gels stay soft after curing, providing better stress relief for sensitive parts such as wire bonds, sensors, and hybrid ICs.

These gels are frequently utilised in high-voltage systems, power modules, and LED assemblies that require long-term reliability and thermal cycling performance. Thanks to their high volume resistivity, dielectric strength, and low outgassing, silicone dielectric gel provides stable electrical performance even under extreme conditions.

Whether you’re protecting solar inverters, EV battery packs, or avionics systems, our silicone dielectric gel provides the ideal balance of protection and flexibility.

Types of Silicone Gel Applications

Silicone dielectric gel is selected based on the application method, performance requirements, and end-use environment. At DC Products, we supply gels engineered for a wide range of industrial and electronic applications:

• Deep-Section Potting: Ideal for thick encapsulation in power electronics and control units. These gels provide low viscosity and quick curing at low temperatures, making them suitable for automated dispensing and high-volume manufacturing where void-free filling is essential.
• LED and Optoelectronic Encapsulation: Used to protect LED chips, lenses, and display components. Our gels are available in optically clear formulations with non-yellowing properties and UV resistance, ensuring long-term optical clarity and performance.
• High-Stress Mechanical Protection: Designed for tough environments where vibration, shock, and thermal cycling are common. High-strength gels offer cushioning and damping, safeguarding sensitive electronics from mechanical harm.
• High-Temperature Power Electronics: Used in EV battery packs, inverters, and industrial drives, these gels provide high-strength encapsulation and thermal stability up to 200°C, ensuring dependable performance under extreme loads.

Each application benefits from the gel’s ability to absorb thermal stress, prevent moisture ingress, and maintain electrical insulation over time.

Environmental Resistance of Silicone Dielectric Gel

Silicone dielectric gel excels in harsh environments, offering:

• Thermal stability from -50°C to 200°C+
• Moisture and humidity resistance – prevents corrosion and short circuits
• UV and ozone resistance – ideal for outdoor and solar applications
• Chemical resistance – withstands fuels, oils, and cleaning agents
• Low volatility – minimal outgassing for use in sealed enclosures

These properties make silicone dielectric gel ideal for use in tough industrial, automotive under-hood, and offshore environments where reliability is essential.

Why Choose DC Products?

• Authorised distributor for Momentive (GE Silicones) and CHT Silicones
• Over 30 years of technical expertise in silicone solutions
• Supply of UL-certified, FDA-compliant, and MIL-Spec dielectric gels
• Local warehouse in Melbourne for fast delivery across Australia and New Zealand
• Expert technical support and product selection assistance

Contact Us Today!

Contact us today at (03) 9558 8898 for expert guidance or to request samples and technical data sheets.