Item No. SRE-026
A Silicone Sponge Profile is a flexible, cellular silicone rubber product manufactured through an extrusion process to create continuous sealing strips in various shapes and dimensions. Designed for applications requiring soft compression, reliable sealing and thermal insulation, silicone sponge profiles offer excellent flexibility, resilience and environmental resistance.
A Silicone Sponge Profile is a flexible, cellular silicone rubber product manufactured through an extrusion process to create continuous sealing strips in various shapes and dimensions. Designed for applications requiring soft compression, reliable sealing and thermal insulation, silicone sponge profiles offer excellent flexibility, resilience and environmental resistance.
Available in closed-cell and open-cell structures, silicone sponge rubber can be customized to meet different sealing and cushioning requirements. Closed-cell silicone sponge provides low water absorption and effective protection against air, moisture and dust when properly compressed and installed. Open-cell silicone sponge offers additional softness and cushioning for applications where air permeability or enhanced compression is required.
Compared with solid silicone rubber profiles, silicone sponge extrusions generally require lower compression forces, making them particularly suitable for lightweight enclosures, electrical cabinets, industrial equipment and applications involving uneven sealing surfaces.
We offer standard and custom silicone sponge profiles to meet a wide range of industrial sealing and insulation requirements.
1. Excellent Temperature Resistance
Silicone sponge rubber maintains its flexibility and sealing performance across a wide temperature range. Depending on the material formulation and grade, typical operating temperatures range from -60°C to +200°C, with selected specialty grades offering higher temperature resistance.
2. Excellent Compression and Flexibility
The cellular structure provides excellent compressibility and recovery, allowing silicone sponge profiles to accommodate irregular surfaces, dimensional variations and gaps. Their low compression force makes them ideal for applications requiring gentle and effective sealing.
3. Outstanding Weather and UV Resistance
Silicone sponge profiles offer excellent resistance to ultraviolet radiation, ozone, oxidation and outdoor weathering. They are suitable for both indoor and outdoor applications where long-term environmental exposure is expected.
4. Low Water Absorption
Closed-cell silicone sponge profiles help prevent water and moisture penetration when properly compressed. Their cellular structure provides effective sealing against dust, moisture and environmental contaminants.
5. Thermal and Acoustic Insulation
The cellular structure provides good thermal insulation and vibration-damping properties. Silicone sponge profiles are commonly used in equipment enclosures, HVAC systems and industrial applications requiring heat insulation and noise reduction.
6. Lightweight and Easy Installation
Compared with solid silicone rubber, sponge silicone profiles are lightweight and highly compressible. They can be supplied in continuous lengths and can incorporate pressure-sensitive adhesive backing to simplify installation.
Silicone sponge rubber can be extruded into a wide variety of shapes and cross-sections to meet different sealing requirements.
Common profile configurations include:
Round Silicone Sponge Cord: Suitable for compression sealing, gap filling and general industrial applications.
Square Silicone Sponge Profile: Provides uniform compression and is commonly used for enclosure sealing and gasketing.
Rectangular Silicone Sponge Strip: Ideal for flat sealing surfaces, industrial doors and equipment panels.
D-Shaped Silicone Sponge Profile: Designed for door seals, cabinet seals and applications requiring controlled compression.
P-Shaped Silicone Sponge Profile: Provides flexible sealing solutions for doors, covers and access panels.
U-Shaped Silicone Sponge Profile: Suitable for edge sealing, protective applications and custom installation channels.
Custom Silicone Sponge Extrusions: Special cross-sectional designs can be manufactured according to customer drawings, samples or specific application requirements.
Custom dimensions, profile geometries, colors and material densities are available upon request.
Silicone sponge profiles can be manufactured in different densities, hardness levels and dimensions to meet specific application requirements.
| Property | Typical Specification |
|---|---|
| Material | Silicone Sponge Rubber |
| Cellular Structure | Closed Cell / Open Cell |
| Manufacturing Process | Rubber Extrusion |
| Operating Temperature | -60°C to +200°C (grade dependent) |
| High Temperature Grade | Available upon request |
| Density | Approximately 150–600 kg/m³ |
| Hardness | Customizable according to requirements |
| Colors | White, Red, Grey, Black and Custom Colors |
| Profile Shapes | Round, Square, Rectangular, D, P, U and Custom Shapes |
| Surface Finish | Smooth Skin / Custom Finish |
| Adhesive Backing | Available upon request |
| Supply Form | Continuous Rolls or Cut Lengths |
| Customization | OEM / ODM Available |
Note: The specifications above are general reference values, not guaranteed specifications for every product. Actual performance depends on material grade, cellular structure, profile dimensions and manufacturing requirements. Please contact us for product-specific technical datasheets.
Silicone sponge profiles are widely used across industries where flexible sealing, thermal insulation and environmental protection are required.
Electrical and Electronics Industry
Used for electrical cabinet seals, control panel gaskets, electronic equipment enclosures and outdoor electrical housings to help protect sensitive components against dust and moisture.
Automotive Industry
Suitable for automotive sealing applications, including vehicle body seals, battery enclosure gaskets, protective covers and vibration-damping components.
HVAC and Industrial Equipment
Used in heating, ventilation and air conditioning systems, industrial machinery, thermal insulation systems and equipment enclosures.
Lighting and Outdoor Equipment
Provides sealing solutions for outdoor lighting fixtures, LED housings, weatherproof electrical enclosures and outdoor digital signage.
Ovens and High-Temperature Equipment
Special high-temperature silicone sponge grades can be used for oven door seals, industrial heating equipment and thermal insulation applications.
Construction and General Industrial Applications
Used for expansion gap sealing, equipment cushioning, industrial door seals and protective gasketing applications.
Product Name
Silicone sponge profile
Manufacturing Process
Extrusion foaming
Material
Industrial / Food‑grade silicone rubber
Color
Red, white, custom colors upon request
Standardized Pallets: Goods are stacked on heat-treated (ISPM 15) or plastic pallets, optimized for forklift handling. Rigid Corner Protectors: High-impact cardboard corner guards are applied to the full height of the stack. This prevents the straps from cutting into the rubber and maintains the vertical integrity of the pallet.
Standard Rolls: Goods are typically supplied in 50m or 100m continuous rolls, precision-coiled to maintain the profile’s structural shape.
Why Choose Silicone Sponge Profiles?
Silicone sponge profiles combine the temperature resistance and environmental durability of silicone rubber with the flexibility and low compression force of cellular materials.
Their lightweight construction, excellent compressibility and customizable extrusion designs make them an effective sealing solution for a wide range of industrial applications.
Whether you require standard silicone sponge cords, rectangular sealing strips or custom-designed silicone sponge rubber extrusions, selecting the appropriate material density, cellular structure and profile geometry is essential for achieving reliable sealing performance.
Contact us to discuss your silicone sponge profile requirements and request a customized quotation.
If you have any questions or needs about the product, please fill in the following form and we wll contact you as soon as possible.
PHONE: +86 0532 8769 9025
EMAIL: sales@todorubber.com
Located in Jimo
Located in Xinhe
