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FR-4 (or FR4) 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).
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material epoxy g-10 grade applications electrical nema glass flame mechanical values laminates properties designation laminate resin resistant self-extinguishing good strength
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| FR-4 | is a | composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant | 0.90 | text |
| FR-4 | is a | grade most widely in use today | 0.90 | text |
| FR-4 | has application | PCBs | 0.60 | section |
| FR-4 | has application | These | 0.60 | section |
| FR-4 | has application | The | 0.60 | section |
| FR-4 | related to Properties | Which | 0.60 | section |
| FR-4 | related to Properties | NEMA LI | 0.60 | section |
| FR-4 | related to Properties | Typical | 0.60 | section |
| FR-4 | related to Properties | The | 0.60 | section |
| FR-4 | related to Properties | LW | 0.60 | section |
| FR-4 | related to Properties | CW | 0.60 | section |
| FR-4 | related to Properties | XY | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
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