Product Description
Insulation FR4 Sheet is also called epoxy resin insulation board. Some are also called fiberglass boards or fiberglass laminates. They are made of fiberglass cloth and resin that are pressed by mechanical equipment in a pressurized and heated environment. a new type of composite material.
| Properties | Unit | Values | ||||
|---|---|---|---|---|---|---|
| KYEG - 10 | KYER - 4 | KYEG - 11 | KYER - 5 | |||
| Flexural strength perpendicular to lamination | Room temp. | Mpa | ≥ 340 | --- | ≥ 33 | ≥ 170 |
| 155±2°C | ||||||
| Impact strength parallel to laminations (Notch, Charpy) | kJ/m² | |||||
| Dielectric strength perpendicular to lamination at 90±2°C in transformer oil 2mm | MV/m | ≥ 11.8 | ||||
| Dielectric strength parallel to lamination at 90±2°C in transformer oil | KV | ≥ 35 | ||||
| Insulation resistance after immersion in water * | MΩ | ≥1.0x10² | ||||
| Loss factor(1MHZ) | - | ≤ 0.04 | ||||
| Dielectric Constant(1MHz) | ≤ 5.5 | |||||
| Water absorption for 2.0mm thickness | mg | ≤ 20 | ||||
| Thermal Class | B | F | ||||
| Flammability | --- | --- | UL / FV - 0 | --- | UL / FV - 0 | |
| Equal to NEMA | G10 | FR4 | G11 | FR5 | ||
Note:
Hangzhou Weshare supports customized processing and flexibly meets project needs
CNC precision processing, slotting, punching, window opening, splicing and other processes can be provided, and the dimensional tolerance is strictly controlled.
The thickness range is 0.2mm~50mm, and the size is customized according to the drawing to meet the needs of customers in different industries.
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Product advantages
Characteristics of Insulation FR4 Sheet:
1.Very strong adhesion
2.Strong shrinkage
3.High dielectric properties
4.Epoxy resin board has acid and alkali resistance and solvent resistance.
5.The chemical properties are very stable.
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