3240 Epoxy Phenolic Glass Fabric Laminated Sheet
Description
Epoxy phenolic glass cloth laminated sheet is made of alkali-free E-glass cloth impregnated with epoxy resins and phenolic resins by processing under heat and pressure.
This product having high mechanical and dielectric properties, fine heat and humidity resistance, can be used in electrical machine and devices as insulating construction parts in moist circumstances and in transformer oil
3240 Epoxy Phenolic Glass Fabric Laminated Sheet possess high mechanical and electrical properties, can be applied to motors, generators and electrical appliances as insulating structure parts as well as used in transformer oil and humid environment
Feathers
Class F insulation (155’C)
Excellent mechanical strength, high dielectric properties, low water absorption
High thermal operating temperature
Applications
As insulating structure parts for different electrical machines and appliances
Used in transformer oil and other humid environment
Technical Data
|
ITEM |
UNIT |
VALUE |
|
|
3240 |
3240-1 |
||
|
Density |
g/cm3 |
1.70～1.90 |
1.70～1.95 |
|
Martens heat resistance (LW)≥ |
℃ |
200 |
200 |
|
Flexural strength≥ |
MPa |
|
|
|
Tensile strength≥ |
MPa |
|
|
|
Adhesion force≥ |
N |
5680 |
5600 |
|
Impact strength≥ |
kJ/m2 |
|
|
|
Surface resistivity≥ |
Ω |
|
|
|
Volume resistivity≥ |
Ω.cm |
|
|
|
Insulation resistance parallel to lamination≥ |
Ω |
|
|
|
Loss tangent, 50Hz≤ |
— |
0.05 |
— |
|
Pressing strength≥ |
MPa |
|
|
|
Voltage breakdown perpendicular to lamination in transformer oil at 90±2℃≥ |
kV/mm |
|
|
|
Voltage breakdown parallel to lamination in transformer oil at 90±2℃≥ |
kV |
30 |
28 |
|
Area of the sheets |
mm |
980×1980,1020×2040 |
|
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