Description:
High strength laminated sheet based on halongen-freeflame-resistant resin and glass cloth.SpecificationsGPO-3 sheet is made of alkali-free glass mat impregnated withpolyester resins paste by processing under heat and pressure.
GPO-3 Polyester glass mat laminated sheets(GPO3 sheet,glass mat sheet, Polyester sheet) is made of alkali-freeglass mat impregnated with polyester resins paste byprocessing under heat and pressure.GPO-3 sheet (glass mat sheet,Polyester sheet) having high mechanical capability , gooddielectric capability , flame retard and arc resistance, GPO-3sheet used as electrical product of high voltage and highfrequency.
Technicalparameters:
Item | Unit | Value |
Flexural strength ≥ | MPa | 166 |
Tensile strength ≥ | MPa | 78 |
Compressive strength ≥ | MPa | 157 |
Shear strength ≥ | MPa | 68 |
Impact strength ≥ Flatwise Edgewise |
kJ/m2 |
90 45 |
Voltage endurance perpendicular to lamination in transformer oil at 25±2Co ≥ | kV/mm |
14 |
Insulation resistance ≥ Under normal condition After boil in water | Ω |
1×1014 1×1011 |
Surface resistivity ≥ Under normal condition After impregnated in water | Ω | 1×1015 |
Volume resistivity ≥ Under normal condition After impregnated in water | Ω.cm | 35×1015 |
1MHz loss factor ≤ | - | 0.05 |
1MHz loss relative dielectric coeff ≤ | - | 5.5 |
Arc resistance ≥ | s | 180 |
Heat deflection temperature ≥ | oC | 200 |
Flammability ≥ Oxygen index UL94flame | -
|
40 94V0 |
Water absorption ≤ | % | 0.20 |
