This GPO1 is a glass reinforced thermoset polyester sheet that meets or exceeds NEMA GPO-1 properties and
carries a thermal index of 311°F (electrical) and 329°F (mechanical).


It is designed for use in class "F" insulation systems or elsewhere when 329°F material is required.


Technical Data

Specific gravity 1.9
Tensile strength (psi) 14 000
Flexural strength (psi) 29 000
Compressive strength (psi) 56 000
Bond strength (lbs) 1790
Flammability rating HB
Temperature 160°C (320°F)
Water absorption % - 24hrs 0.3
N.B. The information, details and values indicated are to the best of our knowledge. We recommend to conduct tests according to local conditions. The data is subject to some variations without notice.