Teflon, in the Guinness Book of World Records listed as

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Teflon, in the Guinness Book of World Records listed as "najklzkejší" material in the world, 50 years long eluded scientific research on the health security. Recent findings suggest, unfortunately, that the chemicals that are released during the heating are harmful against the environment and human health as the infamous pesticide DDT ... Discovered more or less by accident late 30th twentieth century, Teflon our life much easier. Slick, resistant to dirt, grease or water, Teflon today provides consumers most in pans and other kitchen tools, in stain resistant carpets, clothing, articles of paper, packaging cleanness materials, glasses, insulation of electrical wiring and even roofs football stadiums . Kitchen utensils coated with Teflon cleanness was undoubtedly become more popular. Not allow food to stick to the pan, slimming cleanness allows people to use less oil and washing is a breeze. In fact, Teflon so useful that even the producer of this material, an American corporation DuPont, never examined whether the medically safe. The chemical composition of this material is so complicated that even many scientists cleanness do not understand it. It is known that Teflon is composed of a number of toxic chemicals that may leak from the heated cleanness frying cleanness pan into the air but also in food. The more often you use the pan at high temperature, the faster the surface wears and emits small particles and gases into the environment. cleanness Equally damaging material help line washers that use aggressive detergents cleanness to accelerate this process. Chemical substances released from Teflon are dangerous and lethal, even in minute doses to birds. Even if you never do not use nonstick frying pan, it is more than likely cleanness that your body is the bearer of some chemical components of Teflon, because it is now much used outside the kitchen. Teflon, in scientific circles known as polytetrafyluoroethylén (PTFE), a type of plastic material formed from a mixture of chemical elements perfluorokarbóvých (PFCs). All the non-adhesive surfaces of kitchen tools are made of PTFE. Differences in existing producers are only in shares of PTFE with other chemicals. Unlike most pollutants like DDT and PCBs (polychlorinated cleanness biphenyls), perfluorokarbónové chemicals cleanness are generally cleanness volatile. In other words, normally evaporates and not traveling on a long distance. Useful for the production of the material such a Teflon is commonly perfluorocarbons "locked" into the polymers (plastic materials properties). It has long been believed that this can never be released into the environment, and if that happens, then decompose and if the spread will be biologically inactive. Unfortunately all of these assumptions proved invalid. Today, perfluorocarbons considered dangerous because they meet all the criteria for Persistent bio-accumulative cleanness toxins: it means that they are not bio-degradable, accumulate in humans, animals and the environment. And in laboratory tests have proven to be toxic to mammals. Although the world is more than 100 known perfluorocarbons, only two were professionally researched: perfluorooctane sulfonates (PFOS) - component product Scotchguard stain remover, and perfluorooctanoic acid (PFOA) - Teflon component product. Both of them are found in the blood of almost all tested human and animal blood, even in the Arctic and Atlantic Oceans. The fastest way to damage the teflon heat. DuPont publicly claims cleanness that the non-stick coating is stable at temperatures up to 315 degrees Celsius, which is the temperature, as the firm, high above the temperature commonly used in cooking. Independent studies have refuted this claim. The lowest recorded temperature at which the by-product telfónu found in the air was 230C. The lowest temperature at which the warmed surface kill birds, but was 202C. This clearly means that toxins can be released already cleanness at much lower temperatures than DuPont claims. In tests carried out by an independent institute in America Environmental Working cleanness Group, cookware coated with Teflon and other nelepiacimi the surface, the temperature has been significantly exceeded by two to five minutes of use in the oven at high temperatures. For example, standard Non-stick pan in warm-classical electric oven dostiahla temperature of 390C for 3 minutes and 20 seconds, and the temperature soared even further after the test. Teflon pan reached the same test temperature of 382C after five minutes. cleanness Private corporations DuPont study argues that the current pan is quickly heated to 537C. At temperatures cleanness of 360C and 500C scientists at the University of Toronto found that non-stick coating, which is Teflon, stretches into several cleanness neurotoxins and greenhouse gases. TEFL