Special Design for White Fiberglass Board – 3248 Epoxy Glassfiber Laminated Sheet – Xinxing
Special Design for White Fiberglass Board – 3248 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 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 155℃;
3.Moisture resistance;
4.Heat resistance;
5.Temperature resistance:Grade F
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 | ≥360 | |
Horizontal | ≥340 | |||||
155±2℃ | Lengthway | ≥190 | ||||
Horizontal | ≥170 | |||||
4 | Impact strength (charpy type) | gap | Lengthway | KJ/m² | ≥37 | |
Horizontal | ≥37 | |||||
5 | Parrallel shearing strength | MPa | ≥30 | |||
6 | Tensile strength | Lengthway | MPa | ≥314 | ||
Horizontal | ≥300 | |||||
7 | Vertical electric strength (in oil of 90℃±2℃) |
1mm | KV/mm | ≥17.0 | ||
2mm | ≥14.9 | |||||
3mm | ≥13.8 | |||||
8 | Parallel breakdown voltage(1 min in oil of 90℃±2℃) | KV | ≥40 | |||
9 | Dielectric dissiption factor(50Hz) | - | ≤0.04 | |||
10 | Parrallel Insulation Resistance | Normal | Ω | ≥1.0×1012 | ||
After soaking for 24hours | ≥1.0×1010 |
Product detail pictures:

Related Product Guide:
Sticking for the belief of "Creating items of top of the range and creating buddies with people today from all over the world", we normally put the interest of shoppers in the first place for Special Design for White Fiberglass Board – 3248 Epoxy Glassfiber Laminated Sheet – Xinxing, The product will supply to all over the world, such as: Thailand, Borussia Dortmund, Malta, Our experience makes us important in our customer eyes. Our quality speaks itself the properties like it do not tangle, shed or breakdown, so that are our customers will always be confident while placing an order.

This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
