Revised
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).
WITHDRAWN
IEC 60674-3-4:1993 ED1
99.60
Withdrawal effective
22 qer 2022
PUBLISHED
IEC 60674-3-4:2022 ED2