Polyester Glass 4800


4800 is a track and flame resistant GPO-3 FRP polyester glass laminate with good structural properties. It is capable of temperatures of 160 deg C and ideal for applications such as arc chutes, busbar supports and switchgear.


Property Unit of measure Value
Tensile StrengthMpa103
Elongation at Break%
Modulus of ElasticityMPa
Impact Strengthkj/m²22.7
Compressive StrengthMPa220
Shear StrengthMPa117
Shore HardnessD Scale
Co-efficient of Frictionμ
Water Absorption @ 23 Deg C%0.35
Service Temperature IntermittentᵒC
Service Temperature ContinuousᵒC160
Melting pointᵒC
Thermal ConductivityW/m.ᵒC0.3
Dielectric StrengthkV/mm14
Volume ResistivityΩ.cm
Surface Resistivity
Arc ResistanceSec184