Reasonable price Electrical Insulation Sheet - 347/347F High Strength Epoxy Glassfiber laminated sheet (Thermostability is grade F) – Xinxing
Reasonable price Electrical Insulation Sheet - 347/347F High Strength Epoxy Glassfiber laminated sheet (Thermostability is grade F) – Xinxing Detail:
Product Description
This product is a laminated sheet which made with processed non-alkali glass fiber cloth as the backing material, by hot pressing with grade F benzo oxazine resin. It has good mechanical and electrical properties,and flame retardant, especially has high mechanical strength retention and excellent electrical properties under high temperature.Suitable for grade F motor and electrical equipment as high quality insulation structure , has the advantage of good machinability and wide applicability in the similar products.
Features
1.Good mechanical and electrical properties;
2.High mechanical strength retention and
excellent electrical properties under high temperature;
3.Moisture resistance;
4.Heat resistance;
5.Temperature resistance:Grade F;
6.Good Machinability and wide applicability
7.Flame retardant property:UL94 V-0

Compliance With Standards
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
The technical data of 347F is similar to FR5,Suitable for grade F motor and electrical equipment as high quality insulation structure.
Main Performance Index
| NO. | ITEM | UNIT | INDEX VALUE | |||
| 347 | 347F | |||||
| 1 | Density | g/cm³ | 1.8-2.0 | 1.8-2.0 | ||
| 2 | Water absorption Rate | % | ≤0.5 | ≤0.5 | ||
| 3 | Vertical bending strength | Normal | MPa | ≥440 | ≥400 | |
| 155±2℃ | ≥280 | ≥250 | ||||
| 4 | Compression strength | Vertical | MPa | ≥350 | ≥300 | |
| Parallel | ≥260 | ≥200 | ||||
| 5 | Impact strength (charpy type) | Lengthway no gap | KJ/m² | ≥147 | ≥129 | |
| Horizontal no gap | ≥98 | ≥77 | ||||
| 6 | Bonding strength | N | ≥7200 | ≥6800 | ||
| 7 | Tensile strength | Lengthway | MPa | ≥280 | ≥240 | |
| Horizontal | ≥200 | ≥180 | ||||
| 8 | Vertical electric strength (in oil of 90℃±2℃) |
1mm | KV/mm | ≥14.2 | ≥14.2 | |
| 2mm | ≥12.4 | ≥12.4 | ||||
| 3mm | ≥11.5 | ≥11.5 | ||||
| 9 | Parallel breakdown voltage(1 min in oil of 90℃±2℃) | KV | ≥45 | ≥45 | ||
| 10 | Dielectric dissiption factor(50Hz) | - | ≤0.04 | ≤0.04 | ||
| 11 | Volumn Insulation Resistance | Normal | Ω | ≥1.0×1012 | ≥1.0×1012 | |
| After soaking for 24hours | ≥1.0×1010 | ≥1.0×1010 | ||||
| 12 | Combustibility(UL-94) | Level | V-1 | V-0 | ||
Product detail pictures:

Related Product Guide:
Our crew through skilled training. Skilled skilled knowledge, strong sense of company, to meet the company wants of customers for Reasonable price Electrical Insulation Sheet - 347/347F High Strength Epoxy Glassfiber laminated sheet (Thermostability is grade F) – Xinxing, The product will supply to all over the world, such as: Berlin, Philippines, Seychelles, Due to the stability of our products, timely supply and our sincere service, we are able to sell our products not only over the domestic market, but also exported to countries and regions, including the Middle East, Asia, Europe and other countries and regions. At the same time, we also undertake OEM and ODM orders. We will do our best to serve your company, and establish a successful and friendly cooperation with you.
The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.




