Tyvek (TIE-veck) is a brand of flashspun high-density polyethylene fibers, a synthetic material; the name is a registered trademark of the DuPont Company. A brand is a collection of Images and ideas representing an economic producer more specifically it refers to the descriptive verbal attributes and concrete symbols such as a High-Density Polyethylene ( HDPE) or PolyEthylene High-Density ( PEHD) is a Polyethylene Thermoplastic made from Petroleum Fiber or fibre is a class of Materials that are continuous filaments or are in discrete elongated pieces similar to lengths of thread. In Chemistry, chemical synthesis is purposeful execution of Chemical reactions in order to get a product, or several products Materials are physical Substances used as inputs to production or Manufacturing. A trademark or trade mark, represented by the symbols ™ and ®, or mark is a distinctive sign or indicator used by an individual E I du Pont de Nemours and Company (,) is an American chemical company that was founded in July 1802 as a Gunpowder mill by Eleuthère Irénée The material is very strong; it is difficult to tear but can easily be cut with scissors or any other sharp object. Scissors are hand operated cutting instruments consisting of a pair of Metal Blades connected in such a way that the blades meet and cut materials placed Water vapor can pass through Tyvek, but not liquid water, so the material lends itself to a variety of applications: medical packaging, envelopes, car covers, air and water intrusion barriers (housewrap) under house siding, labels, wristbands, mycology, and graphics. Water is a common Chemical substance that is essential for the survival of all known forms of Life. A vapor or vapour (see Spelling differences) is a substance in the Gas phase at a Temperature lower than its Critical temperature An envelope is a Packaging product usually made of flat planar material such as Paper or cardboard and designed to contain a flat object which in a postal-service Temperature and layers The temperature of the Earth's atmosphere varies with altitude the mathematical relationship between temperature and altitude varies among five In Geology, an intrusion is a body of Igneous rock that has Crystallized from molten Magma below the surface of the Earth. Housewrap defines all synthetic replacement materials for sheathing Tar paper. A label is a piece of Paper, Polymer, Cloth, Metal, or other material affixed to a container or article on which is Printed Wristbands are encircling strips worn on the Wrist, made of any of a variety of materials depending on the purpose Mycology (from the Greek μύκης meaning "fungus" is the branch of Biology concerned with the study of fungi, including their genetic Graphics (from Greek grc [[wiktγραφικός γραφικός]] see -graphy) are Visual presentations on some surface such as a wall Tyvek is sometimes erroneously referred to as "Tyvex. "

Contents 1 History 2 Uses 3 References 4 External links

History

Tyvek is a nonwoven product consisting of spunbond olefin fiber. Nonwovens are Textiles which are neither woven nor Knit, such as Felt. Nonwovens are Textiles which are neither woven nor Knit, such as Felt. Olefin fiber is a synthetic fiber made from Alkenes. It is used in the manufacture of various Textiles as well as clothing upholstery wallpaper ropes It was first discovered in 1955 by Dupont researcher Jim White who saw polyethylene fluff coming out of a pipe in a DuPont experimental lab. Polyethylene or polythene ( IUPAC name poly(ethene) is a Thermoplastic commodity heavily used in consumer products (notably the ^[1] It was trademarked in 1965 and was first introduced for commercial purposes in April 1967. ^[2]

According to Dupont's website: the fibers are 0. 5-10 µm (compared to 75 µm for a human hair). A micrometre ( American spelling: micrometer; symbol µm) is one millionth of a Metre, or equivalently one thousandth of a Millimetre The nondirectional fibers (plexifilaments) are first spun and then bonded together by heat and pressure, without binders. ^[3]

Uses

Tyvek has been used by the United States Postal Service for some of its Priority Mail and Express Mail packages and for banknotes in some countries. Polymer banknotes were developed by the Reserve Bank of Australia (RBA Commonwealth Scientific and Industrial Research Organisation (CSIRO and The University New Zealand has also used it for their driver's licences from 1986 to 1999[1]. New Zealand is an Island country in the south-western Pacific Ocean comprising two main landmasses (the North Island and the South Island A driver's license, driver license, driver licence, or driving licence is an official document which states that a person may operate a Year 1986 ( MCMLXXXVI) was a Common year starting on Wednesday (link displays 1986 Gregorian calendar) Year 1999 ( MCMXCIX) was a Common year starting on Friday (link will display full 1999 Gregorian calendar)

Many lightweight backpackers are now using homemade Tyvek groundcloths, finding that they are lighter, cheaper, and pack smaller than the traditional blue plastic tarps. Backpacking (in US tramping, trekking, or bushwalking in other countries combines Hiking and camping in a single A tarpaulin or tarp is a large sheet of strong flexible Water resistant or Waterproof material often Cloth such as Canvas or polyester

Tyvek coveralls are one-piece jumpsuits made of Tyvek, usually white in color. Distinguish from Overhaul. An overall is a type of Garment which is usually used as Protective clothing when working They are often worn by mechanics over their clothes to avoid contact with oil and fuel. They can also be worn for painting to protect skin and clothes from splattered paint, for installation of fiberglass insulation, by workers in laboratories and clean rooms, and any other use where a disposable, one-time use coverall is needed. A cleanroom is an environment typically used in Manufacturing or scientific research that has a low level of environmental Pollutants such as dust airborne Tyvek coveralls are also used for some light hazardous materials applications but do not provide the level of protection of a full hazmat suit. A dangerous good is any Solid, Liquid, or Gas that can harm people other living Organisms property or the environment A hazmat suit is a garment worn as protection from '''haz'''ardous '''mat'''erials or substances Tychem is a sub-brand of Tyvek rated for a higher level of protection. DuPont makes Tyvek clothing in different styles from lab coats and aprons to complete head-to-toe coveralls with hoods and booties. In 1976, fashion house Fiorucci made an entire collection out of Tyvek. Fiorucci is an Italian fashion label founded by Elio Fiorucci in 1967 ^[4]

Tyvek can also be used to make CD and DVD sleeves, due to its useful properties that give the disc sufficient protection. A Compact Disc (also known as a CD) is an Optical disc used to store digital data, originally developed for storing digital audio DVD (also known as " Digital Versatile Disc " or " Digital Video Disc " - see Etymology)is Sleeve ( O Eng ''slieve'' or ''slyf'', a word allied to slip, cf Both Netflix in USA and LoveFilm in UK use Tyvek sleeves for posting their rental DVDs. Netflix ( is the largest Online DVD rental service offering Flat rate rental-by-mail and online streaming to customers in the United States LoveFilm (official typeset LOVEFiLM) is a British DVD rental company which provides Online DVD rentals console game rental and film downloads

Tyvek superficially resembles paper; for example, it can be written and printed on. Paper is thin material mainly used for writing upon printing upon or packaging However, it cannot be recycled as paper. Recycling involves processing used materials into new products in order to prevent the waste of potentially useful materials reduce the consumption of fresh raw materials reduce Instead, DuPont runs a program in the United States where disposable clothing, coveralls, lab coats, and other Tyvek disposable garments can be recycled. Clothing (also called clothes, accoutrements, accouterments, or habiliments) protects the Human body from extreme Weather

Tyvek is manufactured at the Spruance plant in Richmond, Virginia and in Luxembourg. A factory (previously manufactory) or manufacturing plant is an industrial Building where workers manufacture goods This article is about the city of Richmond the capital of the Commonwealth of Virginia. Luxembourg (Groussherzogtum Lëtzebuerg Grand-Duché de Luxembourg Großherzogtum Luxemburg is a small Landlocked country in Western Europe, bordered by

References

External links

• What is Tyvek
• DuPont home page
• FAQ of Tyvek
• Tyvek Hard-Structure and Soft-Structure - What’s the difference?

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