LSLT Neoprene Sponge (EN45545-2)

CB Frost now stock a closed cell pure Neoprene sponge (EN45545-2) to complement our range of fire safe materials.

LSLT (low smoke, low toxicity) Neoprene sponge is a fully closed cell and available in a selection of thicknesses, see table below.

LSLT Neoprene sponge has been formulated to comply with the European fire safety standard EN45545-2 for rail vehicles.

LSLT Neoprene Sponge (EN45545-2) thicknesses

3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm ,12mm, 13mm, 15mm, 16mm, 18mm, 22mm and 25mm as standard

Fire Classification  
EN45545-2 (R22-R23) HL1/HL2 (+HL3 with exception)
UL 94 HF-1
Specification Typical Values
Polymer: CR
Structure: Closed Cell
Colour: Black
Density: 140 kg/m3
Temp: -40/+120 °C

**Data as per our current stock grade


  • EN45545-2 compliant

  • UL 94

  • Low compression set

  • High/low temperature resistance

  • Fully closed cell

Manufacture Capabilities:

  • Gaskets

  • Strip

  • Washers

  • Sheeting

  • Fabrication

Our Partners

Dependable on-time
Full lot traceability on
raw material
Rapid lead times on tooling
and products
Manufacturing services from 1-off
to mass production
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Office Hours

Monday to Thursday
8.00am to 4.35pm
Friday - 8.00am to 1.00pm

Get in touch

Unit C1, Matrix Point, Mainstream Way, Nechells, Birmingham: UK: B7 4SN