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Quality Inspection for Fr4 Fiberglass Sheet - 3233 Melamine Glassfiber Lamiated Sheet – Xinxing

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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

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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 ≥1.0×1010
After soaking  for 24hours ≥1.0×108
8 Combustibility Level V-0

Product detail pictures:

Quality Inspection for Fr4 Fiberglass Sheet -  3233 Melamine Glassfiber Lamiated Sheet – Xinxing detail pictures


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"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our firm for the long-term to create jointly with consumers for mutual reciprocity and mutual reward for Quality Inspection for Fr4 Fiberglass Sheet - 3233 Melamine Glassfiber Lamiated Sheet – Xinxing, The product will supply to all over the world, such as: Montpellier, Malaysia, Manila, Our experience makes us important in our customer eyes. Our quality speaks itself the properties like it do not tangle, shed or breakdown, so that are our customers will always be confident while placing an order.
  • We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Paula from United States - 2017.03.08 14:45
    This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Doris from Thailand - 2018.06.18 19:26

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