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Quality Inspection for Fr4 Fiberglass Sheet - Grade F Halogen-free fire retardant Epoxy glass fiber laminated sheet – Xinxing

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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Fiberglass Board Panels , Epoxy Glass Board , Plastic Fiber Board , As an expert specialized within this field, we've been committed to solving any problem of high temperature protection for users.
Quality Inspection for Fr4 Fiberglass Sheet - Grade F Halogen-free fire retardant Epoxy glass fiber laminated sheet – Xinxing Detail:

Product Description

This product is made with the electrician non-alkali glass fiber cloth as the backing material, with high TG phosphorous and nitrogen flame retardant epoxy resin as binder via hot pressing laminated products, high mechanical strength and low combustion performance under normal temperature, high temperature under 155 ℃ still has strong mechanical strength, good electrical properties under dry and wet state, can be used in damp environment and transformer oil,It is a class F heat-resistant insulating material.Applicable to all kinds of motor, electrical, electronic and other fields, widely used in motor, electrical equipment as insulation structure parts, high voltage switch-gear, high voltage switch (such as motor stator insulation materials at both ends, rotor end plate rotor insulation piece, slot wedge, terminal board, etc.).

Features

1.Good electrical stability under high humidity;
2.High mechanical strength under high temperature;
3.Moisture resistance;
4.Heat resistance;
5.Temperature resistance:Grade F
6.Halogen-free and fire retardant

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Compliance with standards

In accordance with GB/T 1303.4-2009 electrical thermosetting resin industrial hard laminates – Part 4: epoxy resin hard laminates.

Appearance: 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.

Compliance with standards

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 MPa ≥380
155±2℃ ≥190
4 Compression strength Vertical MPa ≥300
Parallel ≥200
5 Impact strength (charpy type) Lengthway no gap KJ/m² ≥147
6 Bonding strength N ≥6800
7 Tensile strength Lengthway MPa ≥300
Horizontal ≥240
8 Vertical electric strength
(in oil of 90℃±2℃)
1mm KV/mm ≥14.2
2mm ≥11.8
3mm ≥10.2
9 Parallel breakdown voltage(1 min in oil of 90℃±2℃) KV ≥40
10 Dielectric dissiption factor(50Hz) - ≤0.04
11 Insulation Resistance Normal ≥1.0×1012
After soaking  for 24hours ≥1.0×1010
12 Combustibility(UL-94) Level V-0

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"Based on domestic market and expand overseas business" is our development strategy for Quality Inspection for Fr4 Fiberglass Sheet - Grade F Halogen-free fire retardant Epoxy glass fiber laminated sheet – Xinxing, The product will supply to all over the world, such as: Malawi, UK, Denver, Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements. We can provided good quality with competitive price for you personally.
The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
5 Stars By Miranda from Istanbul - 2018.07.12 12:19
We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
5 Stars By Gloria from Myanmar - 2017.12.19 11:10

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