1.thickness:3~12um 2.aluminum/Zinc film with reinforced edge 3.with CE,UL approved 4.rich experience About metallized film Specification and Measurementitem unit nominal valuerollmmroll diameter inner diameter 75 outer diameter 150--350(The specific diameters can be customized. )thicknessµm3,4,5,6,7,8,9,10,12width×margin valuemmWidth:30,35,37.5,40,45,50,55,60,65,70,75,80mm margin:1.5,2.0,2.5