IEC 60674-3-4 Ed. 1.0 b:1993 PDF Download

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Specification for plastic films for electrical purposes – Part 3: Specifications for individual materials – Sheets 4 to 6: Requirements for polyimide films used for electrical insulation
standard by International Electrotechnical Commission, 03/19/1993

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Gives the requirements for the following polyimide films with or without heat sealable fluoroethylene-propylene (FEP) coatings; based on poly(N,N’-p,p’-oxydiphenylene pyromellitimide)(sheet 4); based on poly(N,N’-p-phenylene biphenyl tetra carboxylimide)(sheet 5); based on poly(N,N’-p,p’-oxydiphenylene biphenyl-tetracarboxylimide)(sheet 6).