2020 wholesale price Fr4 Tg135 - Grade H Halogen-free fire retardant Epoxy glass fiber laminated sheet – Xinxing
2020 wholesale price Fr4 Tg135 - 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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The key to our success is "Good Product or service High quality, Reasonable Rate and Efficient Service" for 2020 wholesale price Fr4 Tg135 - Grade H Halogen-free fire retardant Epoxy glass fiber laminated sheet – Xinxing, The product will supply to all over the world, such as: Switzerland, Kuala Lumpur, France, With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we are trying our best to be your good partner.

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