Used in the higher end of some of the third class of medical devices blister packaging as a hard blister sealing cover material, such as PETG, PVC, PS, PP, PET blister boxes and other materials sealing well.
Mostly used in medical sterilization, one side is high-density polyvinyl alcohol, the other side is dialysis paper, used for packaging medical devices for sterilization, the advantage of dialysis paper is that it can be in and out of the steam, but not permeable to water. It can be sealed with a sealer when in use.
Related standards:
[1] GB/T 19633-2005 Packaging of final sterilized medical devices
[2] GB/T 5402-2003 Determination of the permeability of paper and cardboard (medium range) Gurley's method
[3] ISO /DIS 22611 Anti infectious original clothing Aerosol penetrability of microbial contamination resistance Test Methods
[4] EN 868 Sterilization Packaging for Medical Devices