Polyester-imide Glass Cloth Laminated Sheet is created from electrical glass cloth with alkali-free that has been impregnated with polyester-imide resin under pressure and heat. The thermal grade is class H insulation. With excellent electrical. Physical and mechanical property, wet-resistant and radiation-proof. Used for the insulating slots, winding, gaskets, strips of the dry-type transformer/railway transformer/traction motor/electrical equipment etc.
352 Polyester-imide Glass Cloth Laminated Sheet
352
180℃
H
Polyester-imide Resin + Glass cloth
Brown, Deep Brown, Yellow, White
0.5~200mm
1.85g/cm³
1020x2010mm,1020x2040mm,1220x2440mm or customized.
Alkali-free
Thermal grade is class H insulation.
With excellent electrical property
High physical and mechanical property
Wet-resistant and radiation-proof
● Insulating slots
● Windings
● Gaskets
● Strips of the dry-type transformer
● Railway transformer
● Traction motor
● Electrical equipment
| YL352 Polyester-imide Glass Cloth Laminated Sheet | ||||
|---|---|---|---|---|
| Physical Properties | Test Standard | Unit | Ref Value | Test Value |
| Density | IEC 60893-2 | g/cm³ | 1.8~1.9 | 1.85 |
| Water absorption (thickness 2 mm) | IEC 60893-2 | % | ≤0.5 | 0.4 |
| Mechanical Properties | ||||
| Flexural strength | IEC 60893-2 | MPa | ≥340 | 410 |
| Moludus of elastic | IEC 60893-2 | MPa | - | - |
| Compressive strength perpendicular | IEC 60893-2 | MPa | ≥320 | - |
| Impact strength Charpy or Izod | IEC 60641-2 | kJ/m² | ≥35 | |
| Tensile strength | IEC 60893-2 | MPa | ≥150 | |
| Electrical Properties | ||||
| Dielectric strength at 90 °C in oil ⊥ 1mm | IEC 60243 | kV/mm | ≥22 | 30 |
| Breakdown voltage at 90 °C in oil // | IEC 60243 | kV | ≥35 | 68 |
| Relative permitivity at 50Hz | IEC 60250 | MV/m | ≤5.5 | 4.5 |
| Dielectric dissipation at 50HZ | IEC 60250 | - | ≤0.04 | 0.025 |
| Insulation resistance after impregnated in Water | IEC 60167 | Ω | ≥10^10 | 7*10^10 |
| Comparative tracking index (CTI) | IEC 60112 | V | ≥600 | 600 |
| Thermal Properties | ||||
| Temperature Index | IEC 60695 | ℃ | ≥180 | 200 |
| Flammability | UL-94 | Class | - | V-0 |
The above values are for reference only and are taken from the average test results, do not represent complete consistency with the actual performance of the material.
Yes, based on drawings or samples.
UL, RoHS, REACH, CE, ISO, etc.
Usually 100 kg or 100 sheets, negotiable.
Yes, common samples free, buyer pays freight.
2-4 weeks after payment.
Yes, including labeling and packaging.
Yes, over 20 years.
T/T 30% deposit, 70% before shipment. Negotiable if supports needed.
Yes, we offer CNC machining.
Manufacturer and Exporter
No.3, Mianzhi Street, Zhucheng, Shandong, China
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