Factory directly supply White Laminate Sheets - 347/347F High Strength Epoxy Glassfiber laminated sheet (Thermostability is grade F) – Xinxing
Factory directly supply White Laminate Sheets - 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:
"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for Factory directly supply White Laminate Sheets - 347/347F High Strength Epoxy Glassfiber laminated sheet (Thermostability is grade F) – Xinxing, The product will supply to all over the world, such as: Nigeria, Jordan, Marseille, Our company has already have pass the ISO standard and we are fully respect our customer 's patents and copyrights. If the customer provides their own designs, We will guarantee that they will be the only one can have that products. We hoping that with our good products can bring our customers a great fortune.
It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!




