A unique set of properties, offering a balance of physical characteristics that combine the best
properties of paper, film and fabric make DuPont™ Tyvek® so popular and versatile. It is made
of spunbonded olefin, formed from very fine 0.5-10 μm fibers. (By comparison, a human hair is
about 75 μm in cross section.) These nondirectional fibers (plexifilaments) are first spun and then
bonded by heat and pressure, without binders. Among its most appreciated characteristics are
that it is breathable, water-resistant, strong, recyclable and lightweight. It can save physical strain,
space and costs and provides excellent protection for a wide range of goods.
One of the great advantages of DuPont™ Tyvek® is that it is breathable, which makes it the perfect
solution for so many different needs.
For example, it is ideal in production when filling bags with very fine powders (such as pigments) or
other bags for the food, pharmaceutical or chemical industries. Because Tyvek® is porous, air being
naturally pushed out when the bag is being filled can escape through the fibres, allowing bags to be
filled faster without bursting.
Breathability also helps extend the shelf life of fresh produce, protects goods from rot and mildew,
allows precious works of art to be protected without fear of moisture damage and helps to keep
vehicles free from rus
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