aseptic cotton swab

Effective Time of Opened Aseptic Cotton Swab After Unpacking

Many people will ask whether the effective time of the sterile cotton swab opened after unpacking is 4 hours or 24 hours. Some people say 24 hours, others say 4 hours. Let’s analyze whether it is 4 hours or 24 hours: ① According to the operational principles of aseptic technology. 1. Once the sterile bag […]