Source your Epoxy 4W/EP from Ai Engineering Plastics

One of the most versatile products in our stock, Epoxy 4W/EP has excellent electrical, mechanical and fire resistant properties.

A general purpose FR-4 epoxide resin laminate that conforms to BS EN 60893 3-2-EPGC202 and is based on a medium weave glass cloth, the material is most often specified in applications which require its high strength, high dimensional stability over temperature and electrical performance. For full details of our Epoxy 4W/EP, download the datasheet and material tolerance sheet.

However, it should be noted that Epoxy 4W/EP can be difficult to cut and machine, so specialist equipment may be required. To ensure you receive your materials in the exact size, shape and condition required, we offer a comprehensive range of cutting and processing services. Find out about our available services here.

Material Characteristics

An extremely durable material, it has an attractive list of characteristics for those that require a product that can still perform in intense applications and working environments. Here are some of the ways in which Epoxy 4W/EP is able to perform:

  • Very good electrical properties
  • 130°C operating temperature
  • High strength
  • High rigidity
  • Low moisture absorption
  • Fire resistant (UL94 V-0)

Typical Applications

Thanks to its wide variety of characteristics, Epoxy 4W/EP can satisfy multiple applications. Thanks to its excellent level of dimensional stability, it is able to be specified in the following ways:

  • Terminal supports
  • Switchgears
  • Transformers
  • Rotor slot wedges
  • FRP Plates
  • Bus bars
  • Electronic test equipment

Order from Ai Engineering Plastics

Experts in supplying high quality engineering plastics, we have the systems in place to satisfy orders of all sizes and natures from our comprehensive stocks. Epoxy 4W/EP is also available for next day delivery. Order online here.

To discuss Epoxy 4W/EP with us in more detail, for any technical support or if you require more information about the ordering and delivery process, please don’t hesitate to get in touch at your earliest convenience.


Fast and efficient

Next day UK delivery

Knowledge and Experience

Expert technical support

Supplied at the size you need

All materials cut to size