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Factory wholesale Fr4 Epoxy Sheet - 3250 Epoxy Glassfiber Laminated Sheet – Xinxing

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Factory wholesale Fr4 Epoxy Sheet - 3250 Epoxy 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 high Tg epoxy resin as binder.It has high mechanical strength under high temperature,with good electrical stability under high humidity.The thermostability is grade F,suitable for all kinds of motor, electric appliances,electronic and other fields.

Features

1.Good electrical stability under high humidity;
2.High mechanical strength under high temperature,
the mechanical strength retention rate≥50% under 180℃;
3.Moisture resistance;
4.Heat resistance;
5.Temperature resistance:Grade H

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Main Performance Index

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 all kinds of motor, electric appliances,electronic and other fields.

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 Lengthway MPa ≥450
Horizontal ≥380
180±5℃ Lengthway ≥250
Horizontal ≥190
4 Impact strength (charpy type) No  gap Lengthway KJ/m² ≥180
Horizontal ≥137
5 Compression strength Lengthway MPa ≥500
Horizontal ≥250
6 Tensile strength Lengthway MPa ≥320
Horizontal ≥300
7 Vertical electric strength
(in oil of 90℃±2℃)
1mm KV/mm ≥17.0
2mm ≥14.9
3mm ≥13.8
8 Parallel breakdown voltage(1 min in oil of 90℃±2℃) KV ≥40
9 Dielectric dissiption factor(50Hz) - ≤0.04
10 Parrallel Insulation Resistance Normal ≥1.0×1012
After soaking  for 24hours ≥1.0×1010

Product detail pictures:

Factory wholesale Fr4 Epoxy Sheet - 3250 Epoxy Glassfiber Laminated Sheet – Xinxing detail pictures


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We purpose to understand high quality disfigurement with the output and supply the top service to domestic and overseas buyers wholeheartedly for Factory wholesale Fr4 Epoxy Sheet - 3250 Epoxy Glassfiber Laminated Sheet – Xinxing, The product will supply to all over the world, such as: Karachi, United States, Denver, We would very much welcome an opportunity to do business with you and have pleasure in attaching further details of our products. Excellent quality, competitive prices,punctual delivery and dependable service can be guaranteed.
  • Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Mavis from Liberia - 2018.08.12 12:27
    Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
    5 Stars By Doris from Cologne - 2017.07.07 13:00

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