glass felt impregnated with polyester resin under heat and pressure process.
Features
High mechanical and dielectric properties
Inflaming retarding and arc resistance
Applications
Relays and Switches
High frequency electronic equipments
Electrical Cabinet
Technical Data
ITEM | UNIT | VALUE |
Density≥ | g/cm3 | 1.70~1.90 |
Flexural strength≥ | MPa | 166 |
Tensile strength≥ | MPa | 78 |
Compressive strength≥ | MPa | 157 |
Shear strength≥ | MPa | 68 |
Impact strength≥ | kJ/m2 | |
Flatwise | 90 | |
Edgewise | 45 | |
perpendicular to lamination in transformer oil at 25±2℃≥ | kV/mm | 14 |
Insulation resistance≥ | Ω | |
Under normal condition | 1×1014 | |
After boil in water | 1×1011 | |
Volume resistivity≥ | Ω.cm | |
Under normal condition | 1×1011 | |
After boil in water | 1×1010 | |
1MHz loss factor≤ | — | 0.05 |
1MHz loss relative dielectric coeff≤ | — | 5.5 |
Arc resistance≥ | s | 180 |
Heat deflection temperature≥ | ℃ | 200 |
Flammability≥ | ||
Oxygen index | — | 50 |
UL-94 flame | — | 94-V0 |
Water absorption≤ | % | 0.2 |
Area of the sheets | mm | 1050×1230,1020×2040 |