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Topic: Teflon

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	Teflon - Wikipedia, the free encyclopedia
		Teflon is also used as the trade name for a polymer with similar properties, perfluoroalkoxy polymer resin (PFA).
		For these applications, versions of teflon with mineral oil or molybdenum disulfide embedded as additional lubricants in its matrix are being manufactured.
		Teflon is often used to coat non-stick frying pans as it has very low friction.
	en.wikipedia.org /wiki/Teflon (1089 words)

	OMEGA ENGINEERING - Teflon Fluorocarbon Information
		Teflon PTFE linear polymer chains are otherwise restrained.
		However, in Teflon FEP and Teflon PFA, interpolymer chain entanglement of the pendant structure precludes the shifting of polymer chains to relieve the implied load.
		For example, at 400°C, Teflon FEP is measured at 4/100,000 of 1 percent, and Teflon PTFE at 1/100,000 of 1 percent.
	www.omega.com /techref/fluoro.html (1289 words)

	Teflon® Sheet
		Teflon® is the Du Pont company's tradename for its TFE and FEP fluorocarbon resins.
		Teflon® TFE was the first resin ever developed and has been used in industrial, government and commercial applications for over 30 years.
		Teflon® products are used as gasket and packing materials in chemical processing equipment; as electrical insulation for maximum reliabillity; and in bearings, seals, piston rings and other mechanical applications, especially those requiring anti-stick characteristics.
	www.ridoutplastics.com /teflonsheet.html (142 words)

	Making Teflon Stick
		Other materials with some of Teflon’s properties were available, but none were as comprehensively resistant to corrosion, and none of the lubricants or low-friction materials then in use were anywhere near as durable or maintenance-free.
		Teflon coatings also stopped dough from sticking to cookie sheets and reduced the number of damaged cookies that had to be thrown away.
		Today Teflon is used to insulate fabrics in tablecloths and carpets and to coat the surfaces of steam irons.
	www.whitetrout.net /Chuck/Teflon/teflon.htm (4700 words)

	The Silent Killer, by Joanie Doss
		Polytetraflouethylene (Teflon fumes) is deadly for your birds.
		The Teflon coated ones have a bubbly or cloudy surface.
		Teflon is the trademark for a tetrafluoroeghylene resin with a high resistance to heat and corrosive chemicals.
	www.theaviary.com /teflon.shtml (707 words)

	Teflon
		Chowdhry is the DuPont executive chosen to defend Teflon, and she claims that the substance is completely safe, despite the fact that the key chemical, C-8, is in everyone's blood.
		Teflon offgases toxic particulates at 446°F. At 680°F Teflon pans release at least six toxic gases, including two carcinogens, two global pollutants, and MFA, a chemical lethal to humans at low doses.
		In cases of "Teflon toxicosis," as the bird poisonings are called, the lungs of exposed birds hemorrhage and fill with fluid, leading to suffocation.
	tuberose.com /Teflon.html (3308 words)

	AnaLog's Teflon Wire Trivia
		Teflon insulated wire is wonderful stuff; you cannot hurt it with a soldering iron.
		Extruded Teflon (polytetrafluoroethylene or PTFE) insulated hook-up wire comes in three main flavors: the more commonly encountered Type E, rated for 600 volts (historically M16878/4), the slightly thicker Teflon jacketed Type EE, rated for 1000 volts (historically M16878/5), and the rarely seen very thin insulation Type ET, rated for 250 volts (historically M16878/6).
		Teflon wire is usually silver plated, as is most wire rated for use at over 125°C. At high temperatures, and over time, tin plating or solder tinning can dissolve into the underlying copper wire, leaving a surface that is difficult to solder.
	www.logwell.com /tech/shdwe/teflon_wire.html (1110 words)

	Learn more about Teflon in the online encyclopedia. (Site not responding. Last check: 2007-09-17)
		Teflon is the brand name of a compound discovered by Roy J. Plunkett (1910-1994) of DuPont in 1938 and introduced as a commercial product in 1949.
		Teflon is the plastic with the lowest coefficient of friction.
		Its melting point is 327 °C. Teflon is sometimes said to be a spin-off from the US space program with more down-to-earth applications, even though it was first sold commercially long before in 1946.
	www.onlineencyclopedia.org /t/te/teflon.html (239 words)

	ABC News: Can Nonstick Make You Sick?
		Teflon, a product advertised as making life easy, is also used in a different form to keep stains off carpets and clothing.
		Teflon and the chemicals used in its production have grown into a $2 billion-a-year industry.
		DuPont continues to insist that Teflon and the chemicals used in it are safe for its workers to handle.
	abcnews.go.com /2020/story?id=124363&page=1 (1538 words)

	Old World Aviaries: Teflon poisoning - The silent killer
		The topic of Teflon poisoning seems to come up at this time of year when the house is tightly closed for winter and circulation indoors is poor.
		Teflon poisoning, or more correctly polytetrafluoroethlyene (PTFE) intoxication, is a rapid and lethal gaseous intoxication of all species of birds.
		Also, cookware is not an exclusive culprit; this toxicosis has been caused by heat lamps coated with Teflon backing as well as range-burner or eye backings that are coated with the substance.
	www.oldworldaviaries.com /text/styles/teflon.html (896 words)

	BBC NEWS \| Magazine \| Teflon's sticky situation
		It's on saucepans, clothing, even buildings, but now Teflon - the famed non-stick chemical - is at the centre of a slippery controversy about cancer and birth defects.
		Environmentalists have called for the withdrawal of a chemical which is a key ingredient in the manufacture of Teflon because of growing health fears.
		Teflon was invented in the 1930s by DuPont, the US firm which uses it today to make non-stick cookware, and also markets it as a coating for clothes and carpets.
	news.bbc.co.uk /1/hi/magazine/3697324.stm (901 words)

	Teflon Poisoning (Site not responding. Last check: 2007-09-17)
		You can find teflon products in household items such as pots, pans, baking sheets, space heaters, hair dryers, curling irons, etc. Basically anything that heats up has the potential of having teflon in it.
		The symptoms a bird who is being poisoned by teflon are lack of coordination, wheezing, weakness, respiratory distree, and convulsions.
		What you must remember about Teflon is that "Teflon" is a brand name just as Levis are jeans.
	www.exoticbird.com /teflon.html (464 words)

	Dave Kopel on Cop-killers on National Review Online
		For example, in the movie Lethal Weapon 3, a so-called "Teflon bullet" from a medium-power handgun was supposedly able to penetrate several inches of hardened steel on a bulldozer blade.
		Actually, a Teflon coating is applied to the outside of a wide variety of ordinary ammunition.
		Teflon reduces the lead abrasion caused by the bullet's movement down the barrel of the gun.
	www.nationalreview.com /kopel/kopel200403010926.asp (1990 words)

	Teflon
		Be sure to read my Web article Teflon 2 which explains some of the dangers of exposure to Teflon fumes.
		The First Synthesis of Teflon has a brief description of Teflon's invention along with a description of its properties.
		A primer is applied to the surface and then the Teflon is embedded in the primer.
	home.nycap.rr.com /useless/teflon (743 words)

	Teflon Tape and Teflon Fabric (Site not responding. Last check: 2007-09-17)
		Teflon® Tapes are most frequently used in heat sealing applications within the packaging industry for covering sealing jaws on L-Bar sealers for shrink films, heat sealers for polyethylene and cellophane films, on blister, and film equipment.
		Within the aerospace industry Teflon® Tapes are used as glass breaker tape, heater cable and wire harness wraps, and as mold releases.
		With 40 years of experience, we are sure that you will find the quality of our Teflon® Tape and Fabric second to none.
	www.sideweld.com /teflon.htm (221 words)

	Inventor of the Week: Archive
		Plunkett was born in New Carlisle, Ohio in 1910.
		Today, Teflon® is used as a coating for myriad metals, fabrics and wires, but also as a plastic in its own right.
		Indeed, Teflon® has expanded into a whole family of polymers, found in industries as varied as aerospace and pharmaceuticals, and sold in over forty countries world-wide.
	web.mit.edu /invent/iow/plunkett.html (526 words)

	Shop Teflon - Your Source for Industrial Teflon® Products
		The Teflon® AF amorphous fluoropolymers polymers are distinct from other fluoropolymers in that they are soluble in selected solvents, have high gas permeability, high compressibility, creep resistance, and low thermal conductivity.
		Teflon® AF polymers have the lowest dielectric constant of any known solid polymer.
		Teflon® AF polymers have the lowest index of refraction of any known polymer.
	store.fluoroproducts.com /teflonaf1.html (248 words)

	Gas Sample Bags: Tedlar and Teflon for Air, TCLP, and Soil Sampling
		Teflon film performs over the temperature range of -400 to 400 F (-240 to 205 C) which is suitable for all stack sampling applications.
		Teflon is the most chemically-inert of all the plastics.
		In fact, Teflon film is solvent-resistant to virtually all chemicals except molten alkali metals, fluorine at elevated temperatures, and certain complex halogenated compounds such as chlorine trifluoride at elevated temperatures and pressures.
	www.tedlarbag.com (1297 words)

	QuakerParrots.com - Dangers of Teflon
		Teflon is PolyTetraFluoroEthylene (PTFE), a large, complex organic polymer.
		I know of a lady that was baking cookies on a non-stick sheet and when she went upstairs she had 8 dead birds.
		Kelly just got back from one of her yearly conferences and they are beginning to study the effects on humans now.
	www.quakerparrots.com /qtips/dangers_of_teflon.htm (484 words)

	Heat Presses
		Teflon pad protectors allow you to quickly slide goods on and off your press, instead of lifting them.
		Teflon Sheet - A single sheet of Teflon is used to place on top of your transfer and garment and is sized to completely cover everything on your lower platen.
		An upper Teflon sheet is one of those things that is better to have and not need it, than it is to need it and not have it.
	hixheatpress.com /h_accessories.htm (642 words)

	1938: Roy Plunkett
		Roy J. Plunkett (1910-1994) is best known as the inventor of Teflon®, but he also had a long career at DuPont for several decades after his famous discovery in 1938.
		Rather than discard the apparent mistake, Plunkett and his assistant tested the new polymer and found that it had some very unusual properties: it was extremely slippery as well as inert to virtually all chemicals, including highly corrosive acids.
		The product, trademarked as Teflon® in 1945, was first used by the military in artillery shell fuses and in the production of nuclear material for the Manhattan Project.
	heritage.dupont.com /touchpoints/tp_1938/depth.shtml (341 words)

	Technorati Tag: teflon (Site not responding. Last check: 2007-09-17)
		Teflon Coatings We apply Teflon coatings to a wide range of industrial items.
		Teflon® PTFE Machining and Molding Specialized in Teflon® PTFE machining and compression molding.
		Testing For Teflon Chemical BeginsThousands of Ohio and West Virginia residents could be tested over the next year to determine if their health has...
	www.technorati.com /tag/teflon (492 words)

	DuPont Teflon Bearing Grease for Bicycles
		TEFLON ® is one of the best lubricants known to man because it is completely inert.
		DuPont TEFLON ® is one of the best lubricants known because of its excellent stability, and it maintains its lubricating properties under all cycling conditions - on or off road.
		DuPont TEFLON ®and Bicycle Lubricants have been proven effective by the world's premiere cyclists in world-class cycling events, including Greg Lemond in the Tour DuPont, one of the largest international sporting events in America.
	www.sandsmachine.com /pace.html (1082 words)

	American Durafilm - TEFLON Coatings (Site not responding. Last check: 2007-09-17)
		The only chemicals known to affect all "Teflon" finishes are the alkali metals and highly reactive fluorinating agents.
		Since "Teflon" surfaces are both oleophobic and hydrophobic, they are not readily wet.
		The coefficient of friction of "Teflon" is generally in the range of 0.05 to 0.20, depending on the load, sliding speed and particular "Teflon" finish used.
	www.americandurafilm.com /19nonstk.htm (222 words)

	Teflon Expansion Joints
		Unaflex Multi-Purpose TFE Expansion Joints Styles 112 and 113 are solid-molded of Teflon and specially designed to withstand the higher pressures and temperatures in today's piping systems.
		Serpent Teflon lined hose is an excellent choice for transfer service of acids, esters, acetones, aromatic hydrocarbons, organic chemicals and alcohols.
		This series is manufactured with integral Teflon and elastomeric flanges to accommodate standard, metric or special drilled flanged.
	www.hosexpress.com /expansionjoints/teflon/teflonexpansion.htm (296 words)

	Teflon and Teflon Coating
		Teflon coating and other problem chemicals that pose environmental health hazards in the home.
		When heated to between 680 and 930 degrees Fahrenheit--scorching heat—the fluoropolymers used in Teflon and Teflon coating degrade into several undesirable substances including trifluoroacetate (TFA), a substance highly toxic to plants.
		Last but not least, the manufacturer warns that overheated Teflon and Teflon coating, such as in pans, can release fumes that can be fatal to birds.
	www.thegreenguide.com /teflon (166 words)

	Teflon Medical Information
		Teflon, the coating on non-stick pans used in millions of kitchens throughout the world has been linked to birth defects in humans.
		Chemical firms face claims that perfluorinated organic chemicals, such as perfluorooctanoic acid (PFOA), which is in Teflon and first used in 1945, and oil and water-resistant coatings, are a health threat.
		Chemicals used in Teflon and Scotchguard are showing up in the bloodstream of humans throughout the world, with higher levels in the United States and other highly developed nations, according to a 2004 study.
	www.medicalmalpracticewatch.com /teflon_medical_info.htm (542 words)

	THE DANGERS OF TEFLON PANS
		DuPont studies show that the Teflon offgases toxic particulates at 446°F. At 680°F Teflon pans release at least six toxic gases, including two carcinogens, two global pollutants, and MFA, a chemical lethal to humans at low doses.
		As early as 1986, a Chicago-area expert on Teflon toxicosis called the phenomenon a leading cause of death among birds, and estimated that hundreds of birds are killed by the fumes and particles emitted from Teflon-coated products each year.
		Set of Teflon pans, including egg poaching pan, were attributed to seven bird deaths over seven years.
	www.ecomall.com /greenshopping/teflon4.htm (905 words)

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