... ,OEM is ok 4,CE,ISO Heat-sealing sterilization flat pouch MATERIAL. 1. medical –grade paper and laminated film . 2 .we‘ ... when open.3,Sealing the pouch/packaging with right machine,including temeperature,to make record of sterilization details in order to use ... mark turns black after STEAM sterilization,as for EO is brown.6,How to open the pouch: open the cap according to ...