The Benefits of Coated Tyvek® in Medical Device Packaging
Medical-grade Tyvek® is a robust, breathable nonwoven fabric well known for its advanced microbial barrier and puncture resistance. When used in sterile packaging (pouches, header bags, tray lids, and so on.), adding a coating transforms Tyvek right into a heat-sealable or adhesive surface that bonds reliably to flexible films and rigid trays. Coated Tyvek allows automatic form-fill-seal (FFS) operations and peelable seals that are consistent and can be validated, without compromising the package’s breathability or cleanliness. In brief, coated Tyvek combines Tyvek’s inherent sterilization compatibility with engineering coatings to enhance seal strength, particulate management, and barrier performance for medical packaging . Coating Types and Functions Coatings on Tyvek serve primary roles: Heat-seal coatings: These are meltable polymer layers (often polyolefin blends) applied on Tyvek’s surface. When heated against a flexible film or against any other coated Tyvek, they form a we...