description Tyvek Overview
Tyvek is a nonwoven sheet material made from spunbonded high-density polyethylene fibers and developed by DuPont after its discovery in 1955. It is lightweight, difficult to tear, resistant to liquid water, and permeable to water vapor, although its performance depends on the grade and construction. Tyvek is used in building weather barriers, protective clothing, medical and industrial packaging, envelopes, maps, and other applications requiring a durable sheet.
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