Sur-Seal’s Good, Better, Best Framework: Exploring Sur-Cool, Sur-Flex, and Sur-Sil Solutions for Every Application

At Sur-Seal, we pride ourselves on offering innovative material solutions designed to meet diverse customer needs. Our proprietary products, including Sur-Cool, Sur-Flex, and Sur-Sil, provide tailored solutions for thermal management, sealing, and insulation challenges across industries.

In this blog, we highlight our product families and their features to help you identify the best fit for your specific application:

Sur-Cool: Advanced Thermal Management Solutions

The Sur-Cool product line is engineered to handle critical thermal management challenges in power electronics, LED lighting, and CPU cooling systems applications.

Each product offers unique features, making matching the right solution to your needs easier.

Sur-Cool Thermally Conductive Tape

• Good for: Applications requiring heat transfer and mechanical fastening aid.
• Features: Dual-sided adhesive, 1.2 W/m-k thermal conductivity, and puncture resistance.
• Ideal for: Mounting PCBAs to heat sinks and heat spreaders, linear LED strips.

Sur-Cool Thermally Conductive Electrically Insulating Sheets

• Better for: Applications needing electrical insulation alongside thermal conductivity.
• Features: UL 94 V-0 listing, 1 to 3 W/m-k thermal conductivity, and repositionable properties.
• Ideal for: Power transistors, discrete semiconductors, CPUs, and LED lighting.

Sur-Cool Silicone Thermal Gap Pads

• Best for: Applications with larger air gaps or uneven surfaces.
• Features: Wide range of thicknesses (0.5mm to 5.0mm), up to 8 W/m-k thermal conductivity, and extreme softness for low-pressure environments.
• Ideal for: 5G infrastructure, power conversion equipment, telecommunication devices, and LED lighting.

Sur-Cool Phase Change Thermal Interface Material

• Specialized for: High-performance heat transfer with minimal clamping pressure.
• Features: Phase change at 45 to 50°C, 3 W/m-k thermal conductivity, and excellent wet-out.
• Ideal for: Graphics cards, memory modules, power electronics, and LED lighting.

Sur-Flex: High-Temperature Sealing Excellence

The Sur-Flex product line delivers exceptional performance in demanding sealing applications, particularly in environments requiring repeated opening and closing.

Sur-Flex Closed-Cell Silicone Sponge

• Good for: High-temperature environments with minimal compression set.
• Features: Resilient silicone sponge, 425°F heat resistance, and consistent sealing.
• Ideal for: Aerospace, automotive, medical device applications, and LED lighting.

Sur-Sil: Precision Sealing and Insulation

For applications requiring superior sealing and insulation properties, the Sur-Sil family offers outstanding performance tailored to demanding conditions.

Sur-Sil GS

• Good for: Applications needing high-quality, extrudable, and moldable silicone.
• Features: UL 94 HB is listed in a variety of durometers.
• Ideal for: Industrial equipment and the LED industry.

Sur-Sil High Temperature Low Set (HTLS)

• Better for: Applications requiring a flat gasket with low compression set at high temperatures.
• Features: UL 94 V0 listed in a variety of firmness.
• Ideal for: HVAC, Automotive, Battery.

Sur-Sil Low-Compression Force (LCF)

• Best for: Applications requiring an extremely soft flat gasket.
• Features: Compression Force Deflection values are as low as 1 psi while being listed as UL 94 V0.
• Ideal for: LED, Telecommunications, and Aerospace.

Choosing the Right Product for Your Needs

The choice between Sur-Cool, Sur-Flex, and Sur-Sil products depends on your specific application requirements, such as thermal management, sealing, or chemical resistance. Each product line delivers quality, reliability, and value, ensuring your project’s success.

• Need thermal management? Choose from Sur-Cool’s range of thermally conductive materials.
• Facing high-temperature sealing challenges? Sur-Flex is your go-to solution.
• Require precision sealing and insulation? Sur-Sil offers unmatched performance.

Why Partner with Sur-Seal^®?

With decades of expertise and a commitment to innovation, Sur-Seal® provides more than materials—we deliver solutions that enable success. Our engineering team collaborates with customers to ensure optimal performance, while our rapid prototyping capabilities help you move quickly from concept to production.

We help you find a path to yes when you work with us. Our sales team works to find the best framework that meets your technical requirements and fits your budget.

Ready to find the right product for your application? Contact Sur-Seal® today to explore how our solutions can elevate your designs and manufacturing processes.