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 keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Quality Inspection for Fr4 Fiberglass Sheet - 3233 Melamine Glassfiber Lamiated Sheet – Xinxing, The product will supply to all over the world, such as: Haiti, Pakistan, Latvia, We have a excellent team supplying professional service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our products.
By Jessie from venezuela - 2018.06.26 19:27
The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
By Joseph from Dubai - 2018.11.28 16:25
