NEMA FI 3:2004

NEMA FI 3:2004 Calendered Aramid Papers Used For Electrical Insulation Covers the testing and qualification of calendered aramid papers for use as electrical insulation. Aramid polymers can be processed into various forms, including fiber, paper, resin, film, or pressboa

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Table of Contents

Foreword
Section1General
1.1Scope
1.2DefinitionofAramidPaper
1.3References
1.3.1MandatoryStandard
Section2Tolerances
2.1TolerancesonThicknessofAramidPapers
2.2ToleranceonWidthofAramidPaperTapes
2.3TolerancesforDimensionsofNarrowAramidPaperRolls
2.4TolerancesforDimensionsofWideAramidPaperRolls
2.5TolerancesforDimensionsofAramidPaperSheets
Section3ClassificationofAramidPapers
3.1DefinitionsofDefects
3.1.1DefectsCausingReducedinsulationStrength
3.1.2Holes
3.1.3Fractures
3.1.4SolidTactileDefects
3.1.5HollowTactileDefects(Blisters)
3.1.6StainsandDiscolorations
3.1.7Splices
3.2SamplingforTesting
3.2.1SamplesfromRolls
3.3MethodofCalculation
Section4MethodsofMeasurement
4.1MethodsofMeasuringThickness
4.1.1Sheets
4.1.2Tapes
4.2MethodsofMeasuringElectricStrength
4.2.1SheetsandTapes
4.3MethoddoDeterminingMoistureContent
4.3.1Purpose
4.3.2Apparatus
4.3.3TestSpecimen
4.3.4Procedure
4.3.5Report
4.4MethodofTestingTensileProperties
4.4.1Conditioning
4.4.2Sampling
4.4.3Reporting
Section5TYPESOFARAMIDPAPER
Section6SPECIFICATIONBYTYPEANDTHICKNESS
Section7ELECTRICALPROPERTIES-TYPETESTS

Abstract

Covers the testing and qualification of calendered aramid papers for use as electrical insulation. Aramid polymers can be processed into various forms, including fiber, paper, resin, film, or pressboard. This result of a collaboration between NEMA members and the military to develop a non-governmental standard that the military could adopt in lieu of its own standard, traditionally referred to as a specification.

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