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:
We continue to keep increasing and perfecting our solutions and service. At the same time, we operate actively to do research and enhancement for Quality Inspection for Fr4 Fiberglass Sheet - 3233 Melamine Glassfiber Lamiated Sheet – Xinxing, The product will supply to all over the world, such as: Serbia, Dominica, Sudan, Based on our automatic production line, steady material purchase channel and quick subcontract systems have been built in mainland China to meet customer's wider and higher requirement in recent years. We have been looking forward to cooperating with more clients worldwide for common development and mutual benefit!Your trust and approval are the best reward for our efforts. Keeping honest, innovative and efficient, we sincerely expect that we can be business partners to create our brilliant future!
By Betty from venezuela - 2017.01.28 18:53
The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
By Mildred from Macedonia - 2018.05.13 17:00
