Quality Inspection for Fr4 Fiberglass Sheet - 3233 Melamine Glassfiber Lamiated Sheet – Xinxing
Quality Inspection for Fr4 Fiberglass Sheet - 3233 Melamine Glassfiber Lamiated Sheet – Xinxing Detail:
Product Description
This product is a laminated sheet which is made of eletrical alkali free glass cloth impregnated with melamine resin by hot pressing.It has good arc resistance and certain dielectric properties and flame retardant properties. It can be used as arc resistance materials in switches, structural parts of electrical equipment and isolation materials for electrical equipment
Features
1.Good electrical stability under high humidity;
2.High mechanical strength under high temperature;
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 | % | ≤3.0 | ||
| 3 | Vertical bending strength | MPa | ≥200 | ||
| 4 | Parallel impact strength (charpy type-gap) | KJ/m² | ≥25 | ||
| 5 | Vertical electric strength (in oil of 90℃±2℃) |
1mm | KV/mm | ≥7.0 | |
| 2mm | ≥5.4 | ||||
| 3mm | ≥5.0 | ||||
| 6 | Parallel breakdown voltage(in oil of 90℃±2℃) | KV | ≥15 | ||
| 7 | Insulation Resistance | Normal | Ω | ≥1.0×1010 | |
| After soaking for 24hours | ≥1.0×108 | ||||
| 8 | Combustibility | Level | V-0 | ||
Product detail pictures:

Related Product Guide:
Our organization insists all along the quality policy of "product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as the consistent purpose of "reputation 1st, purchaser first" for Quality Inspection for Fr4 Fiberglass Sheet - 3233 Melamine Glassfiber Lamiated Sheet – Xinxing, The product will supply to all over the world, such as: Honduras, Kenya, Honduras, With the principle of win-win, we hope to help you make more profits in the market. An opportunity is not to be caught, but to be created. Any trading companies or distributors from any countries are welcomed.
The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.



