CBF SIL-V0 (Soft-Medium)

CBF Sil-V0 is our new lightweight silicone sponge which is fully closed cell and formulated to improve fire and smoke safety for the rail industry. CBF Sil-V0 is compliant with European fire safety standard EN45545-2 for rail vehicles (more detailed information can be found on our specification sheet) and UL94 V-0. With its unique formulation CBF Sil-V0 is available in custom sponge extruded profiles and sheeting for easy conversion into strips, die-cut seals, and fabricated sections.


  • Lighting seals
  • HVAC and electrical enclosures
  • Gap filler
  • LCD display gasket
  • Anti-vibration strip / seal


  • Fully closed cell
  • High and low temperature
  • Available in custom extruded profiles
  • Excellent compression set
  • Lightweight structure
  • UL94 V-0
  • Thickness range 1.5mm – 45mm
  • EN45545-2 compliant
Smoke, Flame, and Toxicity – EN45545-2 CBF Sil-V0
R1 – Interior surfaces HL2 (2 – 25mm)
R2 – Limited surfaces HL3 (2 – 25mm)
R3 – Strips HL3 (2 – 25mm)
R7 – Gangway surfaces HL2 (2 – 25mm)
R8 – Roof (external) HL2 (2 – 25mm)
R10 – Floors and cavity wall
R17 – Cab housing HL2 (2 – 25mm)
R21 – Seating & Mattress materials
R22 – Interior seals HL3 (2 – 25mm)
R23 – Exterior seals HL3 (2 – 25mm)


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