MF775 Silicone Rubber

MF775 solid Silicone rubber is a highly non-flammable and fire safe material, approved to BS6853, EN45545-2 and UL94 approved to V-0 and HF-1.

In addition to these properties, MF775 also maintains good resistance to UV and ozone, combined with resistance to extremely low and high temperatures, making it ideally suited for outdoor use.

Most commonly, MF775 Silicone rubber sheeting is used for applications in the mass transit industry. It is approved by and widely used within the London Underground system

MF775 Silicone Rubber thicknesses

1mm, 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, and 8mm as standard

Fire Classification  
EN45545-2 (R1-R7) HL2
BS6853 Cat 1a Table 7
NFF 16 101 I2 F0
UL 94 V-0
Specification Typical Values
Polymer: Silicone
Colour: Dark Grey
Hardness: 73 shore A
Temp: +200 °C

**Data as per our current stock grade


  • BS6853 Cat 1 A Table 7

  • EN45545-2 approved

  • High temperature up to 200°C

  • Good UV / Ozone resistance

Manufacture Capabilities:

  • Gaskets

  • Strip

  • Washers

  • Sheeting

  • Fabrication

  • Extrusion

  • Moulding

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
CB Frost Logo

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