Nema Plastic Laminate Grades

Fr 4 or fr4 is a nema grade designation for glass reinforced epoxy laminate material.

Nema plastic laminate grades. Each nema grade laminate exhibits unique electrical mechanical and chemical characteristics. Type 107 and 350 are both horizontal grade laminates. Nema grade resources are compiled in this industrial portal which provides information on manufacturers distributors and service companies in the plastic laminates. A broad range of plastic laminates.

General purpose type 107 complies. Performance characteristics differ very little between these three types grades. X we do not certify a manufacturer s laminate. Various grades of wilsonart laminates meet or exceed the international standards organization specifications as found in iso 4586 titled high pressure.

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. Fr 4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant self extinguishing. Nema grade directory on the internet. Three grades of high pressure decorative laminate hpdl comprise the wilsonart basic types category.

A non nema economy grade the product is used in jigs and templates. Basic laminate types for wilsonart. Gpo 3 is an electrical grade sheet laminate produced by using polyester resin and fiberglass reinforcement. National electrical manufacturers association 1300 north 17th street suite 1847 rosslyn virginia 22209 in this 2000 edition of the nema standards publication for high pressure decorative laminates effort has been continued to relate the standards more closely to the performance expected in their end use applications.

Nema national electrical manufacturers association designated laminates are unclad materials comprised of different resin systems some incorporating woven glass weave non woven and some none at all. Track resistant flame retardant laminate which meets or exceeds nema gpo 3 requirements. Np602 is a paper based laminate with low phenolic resin content. A non nema economy grade np602 is.

It has a hard flat surface for good drill starts as well as sufficient strength to maintain hole positions. X the nema ld3 2005 test procedures and standards were designed for high pressure decorative laminates and their use with other products may produce misleading or irrelevant results. Institute national electrical manufacturers association ansi nema ld3 2005 for thickness performance properties and appearance. Each laminate exhibits unique electrical mechanical and chemical performance characteristics and have specific uses based on these criteria.

We report only on the results of a given sample of laminate which has been submitted to our laboratory. Type 335 is recommended as a vertical grade.