FR-4
id:
fr-4-197-16302011
title:
FR-4
text:
FR-4 is a NEMA grade designation for glass-reinforced epoxy laminate material. FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (self-extinguishing). "FR" stands for "flame retardant", and does not denote that the material complies with the standard UL94V-0 unless testing is performed to UL 94, Vertical Flame testing in Section 8 at a compliant lab. The designation FR-4 was created by NEMA in 1968. FR-4 glass epoxy is a popular an
brand slug:
wiki
category slug:
encyclopedia
description:
NEMA grade designation for glass-reinforced epoxy laminate material
original url:
https://en.wikipedia.org/wiki/FR-4
date created:
date modified:
2024-04-12T07:17:00Z
main entity:
{"identifier":"Q2466079","url":"https://www.wikidata.org/entity/Q2466079"}
image:
fields total:
13
integrity:
14