Description:
3021 Phenolic paper laminated sheets are made of electric insulating craft paper impregnated with phenolic resin by being processed under heat and pressure.
Thermal Grade: E-Class (120℃)
Performance & Application: High mechanical properties, widely used as insulating structural parts in electrical motor, electrical equipment which request high mechanical properties, also used in transformer oil.
Thickness: 0.5---100mm.
Size: 1020mm * 2020mm
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Items
|
Unit
|
Value
|
|
Flexural strength
perpendicular to laminations
|
MPa
|
≥120
|
|
Impact Strength
|
KJ/m2
|
≥15
|
|
Tensile strength
|
Mpa
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≥100
|
|
Insulation resistance
after immersion in water (D-24/23)
|
Ω
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≥1.0×107
|
|
Dielectric strength perpendicular to laminations
(in 90±5°C transformer oil, 1 mm in thickness)
|
KV/mm
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≥ 84
|
|
Breakdown voltage parallel to laminations (in 20±5°C transformer oil)
|
KV/mm
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≥ 20
|
|
Density
|
g/cm3
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1.30-1.45
|
|
IEC Standard
|
PFCP202
|
| 
