GPO3 Polyester Glass Sheet
Description
GPO3 Polyester Glass Sheet is made of alkali-free 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 |
90 |
|
perpendicular to lamination in transformer oil at 25±2℃≥ |
kV/mm |
14 |
|
Insulation resistance≥ |
Ω |
1×1014 |
|
Volume resistivity≥ |
Ω.cm |
1×1011 |
|
1MHz loss factor≤ |
— |
0.05 |
|
1MHz loss relative dielectric coeff≤ |
— |
5.5 |
|
Arc resistance≥ |
s |
180 |
|
Heat deflection temperature≥ |
℃ |
200 |
|
Flammability≥ |
|
50 |
|
Water absorption≤ |
% |
0.2 |
|
Area of the sheets |
mm |
1050×1230,1020×2040 |
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