subject: Nonstick Cookware Hazards [print this page] "Nonstick Cookware" Historical development and basic advantages:
30 years of the 20th century Dr. Peng Lige DuPont invented "Teflon" non-stick coating, and 50 years in the 20th century will be applied to cooking "pot", thus with Nonstick Cookware. Nonstick Cookware reason for non-stick, all of that is the bottom layer called the "Teflon Teflon" coating. This substance is a general term for fluorinated resins, including PTFE, FEP and various fluoride propylene copolymer, as these compounds have high temperature, low temperature, self-lubricating, chemical stability, etc, so widely for Nonstick Cookware, waterproof breathable material (such as waterproof clothing), leather, auto components, and microwave popcorn bags.
Aluminum Casting is non-stick coating for aluminum or iron pot in the surface, forming a sticky layer after curing. Nonstick Cookware fundamentally change the appearance of the Western culinary culture, make life easier kitchen cooking facilities. After reform and opening, Nonstick Cookware from 80 to enter the Chinese market, in the 90's was accepted by Chinese people, and quickly occupied the Chinese cookware market, from which spawned a number of Nonstick Cookware well-known domestic brands, such as "Supor" "Ai Shida," and so on. Ever since Nonstick Cookware, kitchen cooking life is no longer worry, Nonstick Cookware easily handle the cooking food stick pan phenomenon.
However, with the scientific and technological progress, some unknown people of understanding deepens, it found that many previously identified and the application of technology or materials, in brings convenience to people, but also harm people's health.
PFOA (PFOA) is the production of Teflon core component of the process is necessary additives, although no traces in the finished product, but may still be decomposed at high temperature. Modern research found that Teflon at high temperatures will release dozens of hazardous gases, resulting in the death of some respiratory-sensitive animals. However, these gases on the Needle valve toxicity of the human body has not yet determined. Chemical stability of PFOA into the environment and human body will exist for a long, not quickly decompose. The results show that low doses of PFOA is not only in rivers, oceans and soil, but also in people's blood. Because of this artificial compound has been confirmed in animal experiments have carcinogenic effects and other negative consequences, if widespread in the natural environment and humans, the consequences of worrying.
Coach Bags limited use in addition to temperature below 250 , it also can not be used to make acidic foods. According to the survey, currently on the market sold Nonstick Cookware, did not mark the restrictive conditions of use. So DuPont "Teflon" carcinogenic events outbreak, although a number of manufacturers and research institutes in the harm was already on the hold, but ultimately the U.S. Environmental Protection Agency (EPA) decision, ordered the United States, DuPont and other chemical companies to gradually 8 reduce until the Disable manufacture Teflon coating the core components required for PFOA (PFOA). So far lasted three years, "Teflon dispute" has finally set the official tone. According to EPA requirements in 2010 to cut 95% of the PFOA use by 2015, to a complete ban. No matter what measures it is now, but its practical implications for people and harm already exists. Humanity in the pursuit of a better life in the process of paying a huge cost and expense.
Non-stick coating is actually a film, a thickness of 0.2 millimeters, if dry or oil temperature up to 300O C above this layer film may be damaged. Generally speaking, when cooking temperatures will not reach 260 , but if fried food, the temperature may exceed 260 .
Tip: fried food, oil has always been hot, it is very easy to cause Nonstick Cookware decomposition of harmful components. So fried, deep-fried food should be avoided Nonstick Cookware. In addition, cooking with Nonstick Cookware, do not use a spade child, non-stick coating to prevent damage.
