High reputation Fr4 Epoxy Fiberglass Sheet - 3255 Modified Diphenyl Ether Glassfiber Laminated Sheet – Xinxing
High reputation Fr4 Epoxy Fiberglass Sheet - 3255 Modified Diphenyl Ether Glassfiber Laminated Sheet – Xinxing Detail:
Product Description
This product is a laminated product which made with the chemical treatment electrical purposed alkali-free glass cloth as the backing material,by hot pressing with modified diphenyl ether resin as binder.It has high mechanical strength under high temeprature,good dielectric stability under high humidity.Good radiation resistanceit ,suitable for class H motor,electrical equipment as the insulation structure parts.
Features
1.High mechanical strength under high temperature;
2.Good electrical stability under high moisture;
3.High heat resistance;
4.High moisture resistance;
5.Good machinability;
6.Good radiation resistance
7.Temperature resistance:Grade H,180℃
Compliance With Standards
In accordance with GB/T 1303.4-2009 electrical thermosetting resin industrial hard laminates – Part 4: epoxy resin hard laminates.
Appareance: the surface should be flat, free of bubbles, pits and wrinkles, but other defects that do not affect the use are allowed, such as: scratches, indentation, stains and a few spots.The edge shall be cut neatly, and the end face shall not be delaminated and cracked.
Application
Suitable for class H motor,electrical equipment as the insulation structure parts.
Main Performance Index
| NO. | ITEM | UNIT | INDEX VALUE | |
| 01 | Density | g/cm³ | ≥1.75 | |
| 02 | Water absorption | % | <0.5 | |
| 03 | Vertical bending strength | Normal | MPa | ≥340 |
| 180±2℃ | ≥170 | |||
| 05 | Parallel impact strength(Charpy type) | KJ/m² | ≥33 | |
| 06 | Tensile strength | MPa | ≥294 | |
| 07 | Vertical electric strength(in oil of 90℃±2℃) | 1mm | MV/m | ≥20 |
| 2mm | ||||
| ≥18 | ||||
| 3mm | ||||
| ≥16 | ||||
| 08 | Parallel breakdown voltage(in oil of 90℃±2℃) | KV | ≥22 | |
| 09 | Relative dielectric constant(50Hz) | - | ≤5.5 | |
| 10 | Dielectric dissipation factor(50Hz) | - | ≤0.04 | |
| 11 | Surface insulation resistance | Normal | Ω | ≥1.0×1013 |
| After soaking for 24 hours | ≥1.0×1010 | |||
| 12 | Volume resistivity | Normal | Ω
|
≥1.0×1011 |
| ≥1.0×109 | ||||
| After soaking for 24 hours | ||||
| 180±2℃ | ||||
| ≥1.0×108 | ||||
Product detail pictures:

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Our well-equipped facilities and great good quality regulate throughout all stages of manufacturing enables us to guarantee total buyer gratification for High reputation Fr4 Epoxy Fiberglass Sheet - 3255 Modified Diphenyl Ether Glassfiber Laminated Sheet – Xinxing, The product will supply to all over the world, such as: Morocco, Congo, UAE, If you are interested in any of our products and solutions or would like to discuss a custom order, remember to feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.




