Factory Cheap Hot Fr4 1.6 Mm - 3250 Epoxy Glassfiber Laminated Sheet – Xinxing
Factory Cheap Hot Fr4 1.6 Mm - 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:Class H,180℃
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 | |||
01 | Density | g/cm³ | 1.8-2.1 | |||
02 | Water absorption | % | <0.5 | |||
03 | Vertical bending strength | Normal | Lengthways | MPa | ≥450 | |
≥380 | ||||||
Lateral | ||||||
180±2℃ | Lengthways | ≥250 | ||||
≥190 | ||||||
Lateral | ||||||
04 | Impact strength(Charpy type) | No Gap | Lengthways | KJ/m² | ≥180 | |
Lateral | ≥137 | |||||
05 | compression strength | Vertical | MPa | ≥500 | ||
Parallel | ≥250 | |||||
06 | Tensile strength | Lenthways | MPa | ≥320 | ||
Lateral | ≥300 | |||||
07 | Bond strength | N | ≥7200 | |||
08 | Vertical electric strength(in oil of 90℃±2℃ 1min) | 1mm | MV/m | ≥17.0 | ||
2mm | ||||||
≥14.9 | ||||||
3mm | ||||||
≥13.8 | ||||||
09 | Parallel breakdown voltage(in oil of 90℃±2℃) | KV | ≥40 | |||
10 | Relative dielectric constant(50Hz) | - | ≤5.5 | |||
11 | dielectric dissipation factor(50Hz) | - | ≤0.04 | |||
12 | Parallel insulation resistance | Normal | MΩ | ≥5.0×106 | ||
After soaking for 24 hours | ≥5.0×104 |
Product detail pictures:

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Having a sound small business credit score, outstanding after-sales services and modern manufacturing facilities, we've got earned an fantastic reputation among our buyers across the globe for Factory Cheap Hot Fr4 1.6 Mm - 3250 Epoxy Glassfiber Laminated Sheet – Xinxing, The product will supply to all over the world, such as: Portugal, Denver, Poland, Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We have tightened inspection for quality of product.

This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
