3021 Phenolic Resin Laminate Sheet
Product Description
3021 Phenolic Resin Laminate Sheet is a high-quality electrical and mechanical insulation board manufactured from premium bleached wood pulp paper thoroughly impregnated with modified phenolic resin. It features a balanced combination of excellent dielectric properties and outstanding physical strength, making it an ideal choice for general and heavy-duty industrial applications.
Specially engineered to meet rigorous stress standards, it exhibits great thermal stability and high voltage resistance, providing reliable insulation structures for motors, transformers, and electrical switchgears.
1, Structure (form): phenolic modified resin, bleached wood pulp paper;
2, Performance (summary): especially suitable for the normal electrical and mechanical properties of phenolic paper laminated sheet;
3, Application (purpose): suitable for high mechanical performance requirements of the motor of electrical equipment insulation structure parts, and can be used in the transformer;
4, Sheet specifications: 1020*2020mm; 1220*2440mm;
Thickness: 1.0mm-100mm;
|
No . |
Indicator |
Unit |
Index value |
|
|
1 |
Vertical laminar bending strength (applicable thickness ≥1.6mm) |
MPa |
≥118 |
|
|
2 |
Bonding strength |
Ω |
≥3200 |
|
|
3 |
Parallel layer insulation resistance (thickness ≥1.0mm) |
Normal state |
Ω |
≥1.0 x 109 |
|
Aft er being exposed to moisture |
Ω |
≥1.0 x 107 |
||
|
4 |
Vertical layer withstand voltage (transformer oil withstand voltage, 20°C ±5°C / 5min) |
Thickness 0.4~1mm |
MV/m |
≥16 |
|
Thickness 1.1~2mm |
MV/m |
≥15 |
||
|
Thickness 2.1~3mm |
MV/m |
≥13 |
||
|
Plate thickness 2.13mm above one side of the processor |
MV/m |
≥13 |
||
|
5 |
Parallel layer withstand voltage (suitable thickness >3mm,transformer oil withstand voltage 20°C ±5°C / 5min) |
kV |
≥14 |
|
|
kV |
||||
|
6 |
Thermal stability |
Thickness 20mm or less |
°C |
≥115 |
|
Plate thickness above 20mm |
°C |
≥90 |
||
Applications:
Perfectly suited for high mechanical performance requirement components, electrical equipment insulation structures, motor mounting plates, and insulating spacers in transformers.
