Insulator Pad FC650

Trackelast FC650 Insulator Pad has been specially designed with a high degree of fire resistance and excellent electrical insulation properties. It was derived from a formulation achieving a class 0 standard when tested to fire specifications BS476 parts 6 and 7.

The main application is as a fire retardant insulation pad used on underground systems for third rail isolation and other areas where good fire and electrical application insulation properties are required. This material is fully compliant with LU Standard 1-085 Fire Safety Performance of Materials.


Physical Properties

Test Method Conditions Data Units
Hardness ISO 48 90 oIRHD
Density ISO 2781 1.65 g/cm3
Tensile Strength ISO 37 5.9 MPa
Elongation at Break ISO 37 60 %
Electrical Resistance BS 903pt. C2 500v dc 2.5 x 1011 Ω
Static Stiffness, 3mm Flat pad, 0.2 - 50kN 41400 kN/mm/m2
Static Stiffness, 3mm Profiled pad, 0.2 - 50kN 4250 kN/mm/m2
Water Absorption BS 903pt. A16 7 days, 21oC 0.3 %
Compression Set ISO 815 24hrs, 70oC 16.1 %
Oxygen Index ISO 4589-2 46.2 %

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