3240 Epoxy Phenolic Glass Fabric Laminated Sheet
Category:
Motor Field
Keywords:
DESCRIPTION
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 |
Jan-40 |
||
|
Density |
g/cm3 |
1.70～1.90 |
1.70～1.95 |
|
Martens heat resistance (LW)≥ |
℃ |
200 |
200 |
|
Flexural strength≥ Perpendicular to lamination parallel to lamination |
MPa |
400 300 |
360 270 |
|
Tensile strength≥ Perpendicular to lamination parallel to lamination |
MPa |
350 250 |
320 230 |
|
Adhesion force≥ |
N |
5680 |
5600 |
|
Impact strength≥ Perpendicular to lamination parallel to lamination |
kJ/m2 |
150 100 |
130 120 |
|
Surface resistivity≥ Under normal condition After impregnated in water |
Ω |
1×1013 1×1011 |
— — |
|
Volume resistivity≥ Under normal condition After impregnated in water |
Ω.cm |
1×1013 1×1011 |
— — |
|
Insulation resistance parallel to lamination≥ Under normal condition After impregnated in water |
Ω |
1×1010 1×108 |
— — |
|
Loss tangent, 50Hz≤ |
— |
0.05 |
— |
|
Pressing strength≥ Perpendicular to lamination Parallel to lamination |
MPa |
250 150 |
— — |
|
Voltage breakdown perpendicular to lamination in transformer oil at 90±2℃≥ | |||
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