... 2,blue,green film 3,EO,STEAM indicators 4,CE,ISO certificate Dental heat-sealing sterilization pouch roll MATERIAL. 1. medical –grade paper ... when open.3,Sealing the pouch/packaging with right machine,including temeperature,to make record of sterilization details in order to use ... ,the mark turns black after STEAM sterilization,as for EO is brown.6,How to open the pouch: open the cap according to ...