Sterilization & CSSD
Heat sealing
Also called: Rotary sealing
Heat sealing — Closing a pouch or length of sterilization reel by pressing the paper or Tyvek® layer to the film with a heated sealer, forming a peelable seal.
Seal quality depends on temperature, pressure and contact time (or speed on a rotary sealer), set to the packaging manufacturer’s recommendation and validated under ISO 11607-2. Paper-film and Tyvek®-film reels normally need different settings.
A good seal is continuous, without channels, creases or burns. Many CSSDs check the sealer daily with a seal-check strip and keep the record.
Related termsSterile barrier systemISO 11607EN 868-5
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