2.1             Measurement a,     diameter *5±5mm, not more than 2 splices, minimum length not less than 5 meters, width *5±1mm b,  thickness and tolerance

Nominal thickness	Tolerance
	Average         Individual
0.*1	±0.*2            ±0.*3

2.2     Appearance a,        constituent

Mica ration	Adhesive content %	Volatile %
≥*5	≤*2	≤2

b,       normal dielectric strength not less than *5MV/m c,        tensile strength not less than *0N/*0mm width   3,         Packing and Storage             3.1        Mica tapes should be rolled on *0±2mm tube core             3.2        The validity of storage under *5ºC is 3 months