1.PI-H,equivalent of Kapton HN,in thickness of 25,50,75,100,125,150,175mm and with width 10mm to 1000mm. 2.PI-V,corona treated for super surface adhesion,in thickness of 25,50,75,100,125,150,175mm and with width 10mm to 1000mm. 3.PI-F,equivalent of Kapton FN,can be both sides or one side coated with FEP,coating thickness is 5-12.5microns.