Silicone foam sheets are lightweight, flexible, and durable materials made from silicone rubber with a closed-cell or open-cell foam structure. They are widely used in industries such as automotive, aerospace, electronics, construction, and medical devices due to their exceptional thermal stability, chemical resistance, and cushioning properties.
5 Major Benefits of Silicone Foam Sheets
1. Excellent Thermal Resistance
Unlike traditional foam materials, silicone foam sheets can withstand extreme temperatures ranging from -60°C to +230°C (-76°F to +446°F) without degrading. This makes them ideal for:
- Gaskets in engines & HVAC systems
- Insulation in electronics & batteries
- Thermal barriers in aerospace applications
2. Superior Chemical & Weather Resistance
Silicone foam is highly resistant to:
- Ozone, UV rays, and sunlight (prevents cracking or hardening)
- Acids, alkalis, and solvents (unlike rubber or EVA foam)
- Saltwater & moisture (perfect for marine applications)
3. Lightweight & Compressible for Sealing & Cushioning
Thanks to their closed-cell foam structure, silicone foam sheets provide:
- Excellent shock absorption (protects sensitive electronics)
- Long-term compression recovery (maintains sealing performance)
- Low density (reduces weight in automotive & aerospace uses)
4. Flame Retardant & Self-Extinguishing
Many silicone foam sheets meet UL 94 V-0, HF-1, and FAR 25.853 flammability standards, making them essential for:
- Fireproof gaskets in electrical enclosures
- Aircraft & train interiors
- Building insulation for fire safety
5. FDA & Medical-Grade Options Available
For medical and food-grade applications, silicone foam sheets are available in:
- FDA-compliant & biocompatible grades
- Non-toxic, odorless formulations (suitable for prosthetics & seals)
- Easy-to-clean surfaces (used in food processing equipment)
Conclusion: Why Choose Silicone Foam Sheets?
From high-temperature insulation to chemical-resistant sealing, silicone foam sheets outperform traditional foams like PU, EVA, or neoprene. Their durability, flexibility, and safety compliance make them a top choice for engineers across industries.
Looking for high-quality silicone foam sheets? Contact us today for custom solutions tailored to your needs!
