Dallas, Texas -- In recent years, China's thermal insulation material industry has entered a stage of steady and rapid development, with output up to 4.928 million tons in 2011, more than doubled that in 2005, says ReportsnReports.com, in "China Thermal Insulation Material Industry Report, 2012."
Following the rising need for energy conservation and emissions reduction in China, especially the development of building energy efficiency, China's thermal insulation material output in 2012 is expected to be more than 5.5 million tonnes.
The report notes that, among organic thermal insulation materials, polystyrene foam and polyurethane foam have been dominant, but that the former is gradually being replaced due to its flammability and the toxic substances released by combustion. The latter, despite excellent thermal insulation properties, "has frequently caused fire because of low (B grade) fireproof performance," the report says.
On 14 March 2011, The Ministry of Public Security of the People's Republic of China issued the Notice on Further Specifying Fire Management Requirements on External Thermal Insulation Materials for Civil Construction, which demanded A grade combustion performance of external thermal insulation materials for civil construction, thus directly restricting use of polyurethane foam in exterior wall insulation.
Meanwhile sales of phenolic foam with A grade combustion performance saw a sharp rise.
In 2011, the output of phenolic foam board for exterior wall insulation in China reached 510 000 tonnes, nearly eight times its use in 2010. This also spawned a number of emerging enterprises like Lions Group, Xiamen Goot Advanced Material Co. Ltd and Chengdu Longsheng Science & Technology Co. Ltd.
The report notes that most inorganic insulation materials can meet A grade fire protection requirements; in the Chinese market, the most commonly used of these are rock wool and aluminium silicate fibre.
As a result of the demand for 'green' energy-saving building materials, rock wool, glass wool and other polluting inorganic thermal insulation materials have encountered restrictions, while new materials such as aluminium silicate fibre, foam concrete, foam glass and aerated concrete have seen wide application, Reportsnreports says.
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