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:
Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications 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: Las Vegas, Albania, Argentina, You can let us know your idea to develop unique design for your own model to prevent too much similar parts in the market! We will offer our best service to satisfy all your needs! Please contact us right away!
By Myra from Barbados - 2018.09.08 17:09
It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
By James Brown from Portugal - 2017.04.28 15:45
