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Advanced Material Science machines and distributes thermal and electrical insulation materials to the world's most demanding industries.

Advance Material Science


NEMA FR4 has high flexural, impact and bond strength at room temperatures. It retains good electrical properties under dry and humid conditions. It is used in the electrical industry and anywhere a high strength electrical insulator in humid or dry conditions is needed. NEMA FR4 is UL listed.

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Sheet Sizes: 36"x48" / 48"x48" / 48"x96" / 48"x108"  Thickness: 0.031" to 5" Color:  Natural or Black



Maximum operating temperature

- electrical

- mechanical

Water absorption

Hardness (Rockwell M)

Compression strength

Tensile strength

Flexural strength

Impact strength – Izod edgewise with grain

Dielectric strength

Dielectric constant (1,000,000 cycles/second)

Volume resistivity

Arc resistance

Parallel dielectric

Surface Resistivity


119 pcf / 0.69 pci


266ºF (130ºC)

284ºF (140ºC)



60,000 psi

50,000 psi

65,000 psi

12 ft-lb/in

550 volts/mil


6 x 1,000,000 megohm-cm

100 sec


1 x 1,000,000 megohms

Advanced Material Science, LLC Website:

2965 Pittsburgh Road  |  Perryopolis, PA 15473  |  ph: 724-736-8108  |  fax: 724-736-8082  |