I usually cook mine at 225-degrees for 3 to 3-1/2 hours.
Classification Amphibole asbestos is used in the construction of cement pipes According to the Agency for Toxic Substances Disease Registry, asbestos is either classified as amphibole or chrysotileAmphibole asbestos contains fibers that are hard and stiffThis form of asbestos is used in materials such as cement pipingChrysotile asbestos contain fibers that are softer and flexibleChrysotile asbestos is more commonly used in textiles and insulation Physical Properties Asbestos is used in so many materials because it is heat resistant, as well as being resistant to some forms of chemicals such as acidAsbestos also has high tensile strengthThis means materials that contain asbestos would require large amounts of pressure to make the material bend or curveAccording to Minerals Zone, asbestos has a tensile strength surpassing that of steel Chemical Properties Asbestos varies in color Asbestos is considered a solid that has no odor and tasteDepending on the composition of asbestos, the color variesAsbestos containing iron and magnesium may show a pale tinge of greenIf asbestos doesn't contain any iron, it will be a pale whiteAsbestos containing iron and sodium will range from a bluish green to lavender Types Asbestos is used in insulation There are various types of asbestosExamples include vermiculite and crocidoliteVermiculite is a type of asbestos used in insulation and soil amendment (to extend the quality of the soil)Crocidolite was once used in rope and yarn, but is now used in insulation Hazards Power plants can be a source of asbestos contamination Long-term exposure to asbestos can lead to the development of diseases including mesothelioma, respiratory failure and lung cancerContact with asbestos usually occurs through occupational exposureSuch jobs and workplaces include automotive repair, construction, power plants, steel mills and railroads.