Base Material:Epoxy resin + Fiber glass
Color:Green/yellow/redb/lack/white,etc
Thickness:0.1mm – 300mm
Regular size:1020x1220mm,1020x2040mm,1220x2440mm
Density 1.97g/cm3 – 2.2 g/cm3
If you are attractive to our products, please send us a message and we will contact you as soon as we receive it.
3248 Epoxy Fiberglass Sheet is a laminated product made of chemically treated electrical alkali-free glass fiber cloth as the base material and epoxy resin as the adhesive through hot pressing. It has high mechanical strength at high temperature and good electrical performance stability under high humidity. It is a Class F heat-resistant insulation material. It is suitable for various motors, electrical appliances, electronics and other fields.
Inverter, motor, electronic equipment, aluminum battery, new energy, isolation and support of electrical equipment, distribution box, fixture board, mold splint, high and low voltage wiring box, packaging machine, comb, mechanical mold, molding machine, drilling machine, table grinding pad, insulation skeleton, insulation coil skeleton, transformer skeleton, etc.
Item |
Property |
Unit |
Standard Value |
Typical Value |
Test Method |
1 |
Flexural strength perpendicular to laminations |
MPa |
≥380 |
639 |
GB/T 1303.2 |
2 |
Flexural strength perpendicular to laminations |
MPa |
≥190 |
432 |
|
3 |
Tensile strength |
MPa |
≥300 |
460 |
|
4 |
Charpy impact strength parallel to laminations (Notched) |
kJ/m2 |
≥33 |
105 |
|
5 |
Electric strength perpendicular to laminations (at 90℃±2℃ in oil ),1mm in thickness |
kV/mm |
≥14.2 |
21.9 |
|
6 |
Breakdown voltage parallel to laminations(at 90℃±2℃ in oil) |
kV |
≥35 |
≥100 |
|
7 |
Insulation resistance(after 24h immersion in water) |
MΩ |
≥5.0×104 |
8.0×108 |
|
8 |
Relative Permittivity(50Hz) |
– |
≤5.5 |
4.87 |
|
9 |
Water absorption,3mm in thickness |
mg |
≤22 |
17 |
|
10 |
Comparative tracking index(CTI) |
_ |
_ |
CTI600 |
|
11 |
Density |
g/cm3 |
1.80~2.0 |
1.85 |
|
12 |
Adhesion strength |
N |
_ |
8053 |
|
13 |
TG (DSC) |
℃ |
_ |
175℃ |
1.Pre-sales service
We offer 1V1 personal service and our professionals will provide you with technical guidance and free samples.
2. After sales service
Our staff will communicate with you on a regular basis and any insulation issues can be consulted in a timely manner.
3. Product Service
We offer product size customization and product processing services.
1. Is ZTELEC a manufacturer of 3248 Epoxy Fiberglass Sheet?
A: ZTELEC is a Chinese manufacturer of insulating materials and was founded in 1958.
2. Do you support custom?
A: We can customize the products according to customer needs and support the processing parts.
3. Is the sample of 3248 Epoxy Fiberglass Sheet free?
A: Our samples are free, but require the customer to bear the shipping costs.
4. Is there a spot?
A: Our warehouse maintains stocks of 3248 Epoxy Fiberglass Sheet throughout the year and some sizes can be shipped within a week.
If you are interested in our products,, please send us a message and we will contact you as soon as we receive it. Email: info@ztaero.com whatsApp: +8616650273778