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Dupont - Tyvek (R) Films
  Stock Symbol DD

  PO Box 80728
  Wilmington, DE (USA) 19880
   
  Fax:  800.203.0013
  Toll Free:  800.448.9835

  www.tyvek.com


Company Description
Dupont Tyvek (R) $32 Billion sales, utilized sterile packaging medical devices, protective apparel garmets, envelopes, covers barriers for new homes. Tyvek (R) water resistant, breathable, protects bacterial contamination, sterilization compatible.
 
TYVEKŪ


DuPont TyvekŪ has introduced new dimensions of protection, security and safety in a wide variety of industries, including protective apparel, construction, envelopes, medical packaging and graphics. 

Made from very fine, high-density polyethylene fibers, TyvekŪ  brand protective material offers all the best characteristics of paper, film and fabric in one material. This unique balance of properties, which cannot be found in any other material, makes TyvekŪ lightweight yet strong; vapor-permeable, yet water-, chemical-,  puncture-, tear- and abrasion-resistant. TyvekŪ is also low-linting, smooth and opaque.

 

Flash Spinning and Bonding Process


TyvekŪ is formed by a fully integrated process using continuous and very fine fibers of 100 percent high-density polyethylene that are randomly distributed and nondirectional. These fibers are first flash spun, then laid as a web on a moving bed before being bonded together by heat and pressure - without the use of binders, sizers or fillers. By varying both the lay-down speed and the bonding conditions, DuPont technicians can engineer the flashspun sheet to meet market needs, such as soft- and hard-structure TyvekŪ.


TyvekŪ Soft and Hard Structure 

TyvekŪ soft structure  is designed specifically for those textile applications where drape, hand and soft feel are of prime importance, such as limited-use protective garments. TyvekŪ hard structure  can supplant traditional paper by offering superior tear resistance and lighter weight. It is ideal for envelopes and graphics applications.

 A variety of finishing techniques, including embossing, corona treatment (to improve adhesion of printing inks and coatings), anti-static treatment and softening for drapability, allow the product to be fine-tuned to the specific needs of end-users.

 

Major Markets
  • Construction - One of the most popular and widely known applications of TyvekŪ is in the construction industry, where it is used to increase air and water resistance, helping to lower heating and cooling costs in buildings and providing better protection against water and moisture intrusion. The unique qualities of TyvekŪ help stop air flow through wall cavities; help hold out bulk water and wind-driven rain; and allow moisture vapor to escape from inside walls. The result is a more comfortable, energy-efficient building with far fewer chances for damage from degradation effects.
  • Medical Packaging - TyvekŪ is used in virtually every form of sterile medical packaging. That's because TyvekŪ delivers an optimum balance of bacteria penetration resistance, tear strength, puncture resistance and clean peel, as well as compatibility with existing and emerging sterilization methods.
  • Protective Apparel - Garments made of TyvekŪ are either used for hazardous environments or for general, non-hazardous, industrial use. Examples of uses for hazardous environments include protection against water-based acids, bases, salts and splashes of certain liquids, such as pesticides and herbicides.
  • Envelopes - The unique composition of TyvekŪ results in virtually the strongest envelope available – offering superior protection from punctures, tears and moisture. Remarkably light, TyvekŪ envelopes can help to save on mailing costs.
  • Graphics - Among the first graphic products manufactured from hard-structure TyvekŪ were outdoor advertising posters and banners; labels; tags; and schoolbook covers – applications that benefit from its water, abrasion and tear resistance. Today, many more graphics uses have been found for TyvekŪ, such as highly durable maps and guidebooks; chemical container labels; workshop manuals; race numbers for marathon runners; and frozen food labels.
  • Covers - Because TyvekŪ is water resistant, yet breathable, it is ideal for car, boat and camper covers. The unique nonwoven structure of TyvekŪ protects against acid rain and salt spray by holding out more water than cotton, polyester or cotton/polyester covers; however, because it is breathable, it also allows trapped moisture to escape, helping to prevent rot and mildew.

 

   
Products / Services
Films, Medical, Pharmaceutical, High Barrier Films, Tyvek House Wrap Barrier, Typar Polyester Plastic Membrane