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- FR-4 abstract "FR-4 (or FR4) is a grade designation assigned to glass-reinforced epoxy laminate sheets, tubes, rods and printed circuit boards (PCB). 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 denotes that safety of flammability of FR-4 is in compliance with the standard UL94V-0. FR-4 is created from the constituent materials (epoxy resin, woven glass fabric reinforcement, brominated flame retardant, etc.) by NEMA in 1968.FR-4 glass epoxy is a popular and versatile high-pressure thermoset plastic laminate grade with good strength to weight ratios. With near zero water absorption, FR-4 is most commonly used as an electrical insulator possessing considerable mechanical strength. The material is known to retain its high mechanical values and electrical insulating qualities in both dry and humid conditions. These attributes, along with good fabrication characteristics, lend utility to this grade for a wide variety of electrical and mechanical applications.NEMA is the regulating authority for FR-4 and other insulating laminate grades. Grade designations for glass epoxy laminates are: G10, G11, FR4, FR5 and FR6. Of these, FR4 is the grade most widely in use today. G-10, the predecessor to FR-4, lacks FR-4's self-extinguishing flammability characteristics. Hence, FR-4 has since replaced G-10 in most applications.FR-4 epoxy resin systems typically employ bromine, a halogen, to facilitate flame-resistant properties in FR-4 glass epoxy laminates. Some applications where thermal destruction of the material is a desirable trait will still use G-10 non flame resistant.".
- FR-4 wikiPageExternalLink Industrial-Laminated-Thermosetting-Products.aspx.
- FR-4 wikiPageID "634266".
- FR-4 wikiPageLength "8043".
- FR-4 wikiPageOutDegree "28".
- FR-4 wikiPageRevisionID "682373604".
- FR-4 wikiPageWikiLink Brominated_flame_retardant.
- FR-4 wikiPageWikiLink Bromine.
- FR-4 wikiPageWikiLink Busbar.
- FR-4 wikiPageWikiLink Category:Electronics_manufacturing.
- FR-4 wikiPageWikiLink Composite_material.
- FR-4 wikiPageWikiLink Composite_reinforcement.
- FR-4 wikiPageWikiLink Density.
- FR-4 wikiPageWikiLink Dielectric_strength.
- FR-4 wikiPageWikiLink Dissipation_factor.
- FR-4 wikiPageWikiLink Electric_arc.
- FR-4 wikiPageWikiLink Epoxy.
- FR-4 wikiPageWikiLink Epoxy_resin.
- FR-4 wikiPageWikiLink Fiberglass.
- FR-4 wikiPageWikiLink Flame_resistant.
- FR-4 wikiPageWikiLink Flame_retardant.
- FR-4 wikiPageWikiLink Micrometre.
- FR-4 wikiPageWikiLink Micron.
- FR-4 wikiPageWikiLink National_Electrical_Manufacturers_Association.
- FR-4 wikiPageWikiLink Ounce.
- FR-4 wikiPageWikiLink Printed_circuit_board.
- FR-4 wikiPageWikiLink Relative_permittivity.
- FR-4 wikiPageWikiLink Relay.
- FR-4 wikiPageWikiLink Screw_terminal.
- FR-4 wikiPageWikiLink Spacers_and_standoffs.
- FR-4 wikiPageWikiLink Standoff_(separator).
- FR-4 wikiPageWikiLink Switch.
- FR-4 wikiPageWikiLink Thou_(length).
- FR-4 wikiPageWikiLink Thousandth_of_an_inch.
- FR-4 wikiPageWikiLink Transformer.
- FR-4 wikiPageWikiLink UL_94.
- FR-4 wikiPageWikiLink Washer_(hardware).
- FR-4 wikiPageWikiLinkText "FR-4".
- FR-4 wikiPageWikiLinkText "FR4".
- FR-4 hasPhotoCollection FR-4.
- FR-4 wikiPageUsesTemplate Template:Convert.
- FR-4 wikiPageUsesTemplate Template:E.
- FR-4 wikiPageUsesTemplate Template:Multiple_issues.
- FR-4 wikiPageUsesTemplate Template:Reflist.
- FR-4 wikiPageUsesTemplate Template:Sup.
- FR-4 wikiPageUsesTemplate Template:When.
- FR-4 subject Category:Electronics_manufacturing.
- FR-4 hypernym Designation.
- FR-4 type Article.
- FR-4 type Place.
- FR-4 type Article.
- FR-4 comment "FR-4 (or FR4) is a grade designation assigned to glass-reinforced epoxy laminate sheets, tubes, rods and printed circuit boards (PCB). 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 denotes that safety of flammability of FR-4 is in compliance with the standard UL94V-0.".
- FR-4 label "FR-4".
- FR-4 sameAs FR-4.
- FR-4 sameAs FR-4.
- FR-4 sameAs FR4_(materiale).
- FR-4 sameAs FR4.
- FR-4 sameAs FR-4.
- FR-4 sameAs FR-4.
- FR-4 sameAs m.02yzrz.
- FR-4 sameAs FR-4.
- FR-4 sameAs Q2466079.
- FR-4 sameAs Q2466079.
- FR-4 wasDerivedFrom FR-4?oldid=682373604.
- FR-4 isPrimaryTopicOf FR-4.