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FR-2

FR-2 (Flame Resistant 2) is a NEMA designation for synthetic resin bonded paper, a composite material made of paper impregnated with a plasticized phenol formaldehyde resin, used in the manufacture of printed circuit boards. Its main properties are similar to NEMA grade XXXP (MIL-P-3115) material, and can be substituted for the latter in many applications.

Trade & Applications

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Explore the main themes, entities and connections around FR-2. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Applications

Consumer electronicsFR-4
2 related topics

Trade names and synonyms

Phenolic paperVeroboard
2 related topics

Fabrication

Tungsten carbide
1 related topics

Overview

NEMAComposite materialPaperPhenol formaldehyde resinPrinted circuit boards
5 related topics

Topics to explore

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Overview

Applications

Fabrication

Trade names and synonyms

Advanced semantic analysis

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Map overview Semantic statistics

FR-2

Nodes15
Edges14
Triples7
Avg. degree1.87
Density0.133333
Components1

How this topic connects Entity context

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FR-2

Top relations

has application · 4
FR-2 → FR-4, It, While, Without
related to Fabrication · 3
FR-2 → Adequate, Cold, Tools

Important terminology Word statistics

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Important terminology

nema used properties material applications paper copper electrical synthetic resin bonded made circuit foil lamination punching high-speed flame resistant designation

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
FR-2has applicationWhile0.60section
FR-2has applicationFR-40.60section
FR-2has applicationIt0.60section
FR-2has applicationWithout0.60section
FR-2related to FabricationCold0.60section
FR-2related to FabricationTools0.60section
FR-2related to FabricationAdequate0.60section

Related concept clusters Concept neighborhoods

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    Connections between topic areas Semantic bridges

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    Min side: 3
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