... tension electrical machinery processing with VPI technology. 1,Appearance The tape adhesion must be distributed homogeneously without bubble, pore, adhesion, lami ... of mica paper, reeling out of glass cloth, loosening of tape coiling, etc. 2,Normal Thickness and Tolerance Normal Thickness(mm ... piece and the shortest length must be no less than 5m. The mica paper coiling with tying must be noted with ...