The material, design, structure, and surface of the hard container in a closed room should be conducive to internal and external cleaning, disinfection, and sterilization, and all internal corners should be in a circular arc shape; Materials with electrostatic induction should not be used for hard containers or other components;

Hard containers should be designed and manufactured in a form that can be safely stacked for loading. When entering the sterilizer, steam and air can freely circulate between the hard containers; Hard containers will not undergo long-term deformation, performance parameters will not change, and sealing performance meets relevant requirements.