professional factory for High Voltage Electrical Insulation Material - Grade H Halogen-free fire retardant Epoxy glass fiber laminated sheet – Xinxing
professional factory for High Voltage Electrical Insulation Material - Grade H Halogen-free fire retardant Epoxy glass fiber 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,and it is Halogen-free fire retardant 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
6.Halogen-free and fire retardant
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.
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 | Bonding strength | N | ≥7200 | |||
8 | Vertical electric strength (in oil of 90℃±2℃) |
1mm | KV/mm | ≥17.0 | ||
2mm | ≥14.9 | |||||
3mm | ≥13.8 | |||||
9 | Parallel breakdown voltage(1 min in oil of 90℃±2℃) | KV | ≥40 | |||
10 | Dielectric dissiption factor(50Hz) | - | ≤0.04 | |||
11 | Parrallel Insulation Resistance | Normal | Ω | ≥1.0×1012 | ||
12 | Combustibility(UL-94) | Level | V-0 |
Product detail pictures:

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Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs for professional factory for High Voltage Electrical Insulation Material - Grade H Halogen-free fire retardant Epoxy glass fiber laminated sheet – Xinxing, The product will supply to all over the world, such as: Japan, Buenos Aires, Slovak Republic, Our company has already had a lot of top factories and professional technology teams in China, offering the best products, techniques and services to worldwide customers. Honesty is our principle, professional operation is our work, service is our goal, and customers' satisfaction is our future!

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