Quality Inspection for Fr4 Fiberglass Sheet - 3255 Modified Diphenyl Ether Glassfiber Laminated Sheet – Xinxing
Quality Inspection for Fr4 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
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 | ||
| 1 | Density | g/cm³ | 1.8-2.0 | ||
| 2 | Water absorption Rate | % | ≤0.5 | ||
| 3 | Vertical bending strength | Normal | MPa | ≥340 | |
| 180±5℃ | ≥170 | ||||
| 4 | Compression strength | Vertical | MPa | ≥350 | |
| 5 | Impact strength (charpy type) | gap | KJ/m² | ≥33 | |
| 6 | Bonding strength | N | ≥5700 | ||
| 7 | Tensile strength | Lengthway | MPa | ≥300 | |
| 8 | Vertical electric strength （in oil of 90℃±2℃） |
1mm | KV/mm | ≥20.0 | |
| 2mm | ≥18.0 | ||||
| 3mm | ≥16.0 | ||||
| 9 | Parallel breakdown voltage(1 min in oil of 90℃±2℃） | KV | ≥30 | ||
| 10 | Dielectric dissiption factor（50Hz) | - | ≤0.04 | ||
| 11 | Parallel Insulation Resistance | Normal | Ω | ≥1.0×1013 | |
| After soaking for 24hours | ≥1.0×1010 | ||||
| 12 | Volumn Insulation Resistance | Normal | Ω.m | ≥1.0×1011 | |
| After soaking for 24hours | ≥1.0×109 | ||||
| 180±5℃ | ≥1.0×108 | ||||
Product detail pictures:
Related Product Guide:
In an effort to provide you advantage and enlarge our business enterprise, we even have inspectors in QC Staff and assure you our greatest provider and item for Quality Inspection for Fr4 Fiberglass Sheet - 3255 Modified Diphenyl Ether Glassfiber Laminated Sheet – Xinxing, The product will supply to all over the world, such as: Mexico, Johannesburg, Mecca, We adopt advanced production equipment and technology, and perfect testing equipment and methods to ensure our product quality. With our high-level talents, scientific management, excellent teams, and attentive service, our merchandise are favored by domestic and foreign customers. With your support, we'll build a better tomorrow!
By Arthur from Norway - 2018.12.10 19:03
The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
By Kevin Ellyson from Paraguay - 2017.06.19 13:51
