Now there are 149 countries and territories with more than ¾ of the world population currently allows the use of chrysotile asbestos-containing products and white, including the G8 countries including: Usa, Canada, Russia and other countries: Mexico, Brazil, Ukraine, Kazakhstan, Kyrgyzstan, Uzbekistan, China, India, Thailand, print it Nepal xia, Vietnam Etc.The United States banned asbestos since the 1980s under the EPA's proposal, but in 1991, the Superior Court had laced canceled the ban and ordered to remove asbestos gradually [3]. The Supreme Court of India (01.2011) has rejected the request of the non-governmental organization NGO is to ban use of all kinds of Amiang. This request is submitted to the Court since 2004. The Singapore, Taiwan had banned asbestos, but withdrew from the list of countries banned from 2010.The United States currently allow the production or importation to use approximately 30 products containing chrysotile asbestos cement corrugated Sheets are, flat sheet of asbestos cement, floor tiles vinyl-asbestos, asbestos cement, pipe friction materials (VL do brake types), asbestos fabric (fire). The United States is using 51 group product standard, standard test method for cement-asbestos products asbestos fibres and, with the last review xoát standards by 2011. Russia also is produced and widely used types of asbestos products: plates, sheet, corrugated, flat, white, domestic water supply pipes and hot water, sewer, garbage, gas pipe drainage, friction materials, insulation materials, heat-resistant fabrics, fire [4.5].. The United States, Russia the production and use of asbestos products more categories than in Vietnam. With regard to the products roofing (wave plate, flat plate) white asbestos is used as reinforcement fibers, only about 10-15%, associated with the Binder (cement), sustainability in the production process and product life does not contaminate the cleaner thread.Manufacturing industry AC roofing in Vietnam had existed 50 years, from 1963 to the present and has developed into an industry composed of 39 production facilities with a designed capacity of more than 106 million m2/year, employs more than 5,000 employees. From 2008 to the present, each year produces and consumes about 80-90 million m2/year 60-62% demand for roofing, use an average of 60,000-70,000 tonnes of asbestos chrysotile per year.
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