Laminating and Coating with DuPont™ Tyvek®

Laminating and Coating
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DuPont™ Tyvek® material can be laminated or coated with a wide range of films, foils and papers for a variety of end uses. When coating or laminating Tyvek®, the web temperature in the oven should not exceed 175°F (79°C).


Tyvek® can be extrusion-, adhesive-, and calendar-laminated. Examples of end uses include Tyvek® laminated to foil in military and electronics packaging, and Tyvek® laminated to polyethylene film as a ply in bag construction. When additional liquid holdout or hazardous chemical protection is required, Tyvek® can be extrusion-coated with polyethylene or laminated to a polyvinylidene chloride film.


Tyvek® can be coated with a wide range of solvent and water-based solutions using conventional equipment. In general, air-knife coating is preferred for aqueous coating systems, as it gives uniform thickness of coating. It also produces a very smooth surface, which is ideal for offset lithographic printing. Gravure coating has been used successfully for solvent-based coating systems and is recommended if deep coloration is required. Pyroxylin coating formulations containing a high concentration of isopropyl alcohol (25%) are preferred for obtaining deep coloration.