| Silicone Rubber Extrusion | Normal | 6-10 working days |
| Silicone Extrusion & Secondary Operations | Normal | 11-15 working days |
| Silicone Rubber Extrusion (New Dies) | Normal | 6-10 working days |
| Silicone Rubber Inflatable Seals | Normal | 6-10 working days |
| Silicone Rubber & Sponge Sheeting | Normal | from 5 working days |
| Silicone Rubber & Sponge Gaskets | Normal | from 5 working days |
| EPDM Extrusion | Normal | 3 - 5 Weeks |
| Compression Moulded Parts | Normal | From 2 Weeks |
| 3D Printed Parts | Normal | 5 Working Days |
Lead times are indicative and subject to current capacity. Contact us for an accurate quote →
Our silicone products are proudly manufactured at our West Sussex, UK facility.
We ship worldwide via trusted courier partners with full tracking and insurance available on all orders.
UK Delivery: Next-day and economy options available
Europe: 2–4 working days
Rest of World: 3–7 working days
Flame retardant silicone sponge from Viking Extrusions meets the EN45545-2 rail industry specification, offering exceptional flame resistance, low smoke, and toxicity. Ideal for rail, aerospace, automotive, electronics, and industrial applications, it ensures reliable performance and safety in critical environments.
Product Codes: VGD16RL, VGD24RL
VGD16-24RL flame retardant silicone sponge is a high-performance elastomer designed to meet stringent fire safety standard, including the rail industry specification EN45545-2. This specialised material combines the flexibility and resilience of silicone with exceptional flame resistance, making it ideal for applications where fire safety is paramount.
Due to its unique properties, flame retardant silicone sponge is used in a variety of critical applications across multiple industries:
Flame retardant silicone sponge stands out as a versatile and reliable material for industries that require exceptional flame resistance, durability, and performance. Its unique properties make it an ideal choice for demanding applications in rail, aerospace, automotive, electronics and industrial sectors. With its ability to withstand extreme conditions and maintain its integrity, flame retardant silicone sponge continues to be a preferred solution for critical environments.
| Property | VGD16RL | VGD24RL | Test Method |
|---|---|---|---|
| Density (kg/m³) | 220 | 550 | ISO845 |
| Hardness (Shore 00) | 55 | 75 | ASTM D 2240 |
| Hardness (Shore A) | Approx. 12 | Approx. 20 | ASTM D 2240 |
| Elongation at break (%) | 130 | 310 | ISO798 (sample 3mm) |
| Tensile Strength (MPa) | 0.5 | 0.9 | ISO798 (sample 3mm) |
| Compression Deflection (kPa) | 40 | 80 | ASTM 1056 (sample 12mm) |
| Compression Set (%) | 15 | 10 | ASTM D395 |
| Fire Rating | UL94 V0* | UL94 V0* | UL94 V* |
| Limiting Oxygen Index | 42 | 43.5 | ISO 4589-2 |
| Smoke Density | 26.95 | 32.52 | ISO 5659-2 |
| Toxicity | <0.021 | 0.021 | NFX 70-10-1 and 2 |
Density measured on 12mm sample. The density of samples of different sizes will be different from that stated here.
Hardness measured 12mm thick samples. At less than 12mm the measured hardness will increase with density.
Shore “A” Hardness given as guidance only, as this material is unsuitable for accurate measurement with Shore A test method
Compression Values set based on 12mm Thick Samples 22hrs @ 22hrs @ 175C
*Statement of UL94 V0 compliance is based on independent testing carried out by ITRI Ltd April 2017, Full test results are available on request. This material is not certified by UL and does not have a certificate (yellow card).
Typical values should not be used to set specification limits.
Contact out experienced team of technical advisors for advice, quotations or any other queries.
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