Class A insulation material is fireproof and energy efficient

Under the requirements of both energy conservation and fire prevention, under the stimulation of national policies, the production capacity of domestic building exterior wall A-level insulation materials has expanded rapidly.

Recently, the reporter saw at the "2012 Ninth Shanghai Insulation Materials and Energy Saving Technology Expo" held at the New International Convention and Exhibition Center in Longyang Road, Shanghai, that the exhibition hall was full of people and the visitors were in constant stream.
The reporter observed that Class A inorganic insulation materials occupy the vast majority of exhibition halls, which is contrary to the situation in April last year when extruded boards, phenolic insulation boards and rigid polyurethane foam insulation boards filled the exhibition hall. Rock (mineral) cotton, glass wool, foam cement, STP vacuum insulation insulation panels continue to appear on the booth, showing the determination of the thermal insulation industry to fulfill the Ministry of Public Security "Order No. 65".

Class A capacity is expanding rapidly

Su Yunhui, deputy dean of the Xinjiang Academy of Building Research, said in an interview that foreign countries initially used flammable and efficient insulation materials. After decades of use, they discovered weaknesses and developed energy-saving materials that are both heat-insulating and fire-resistant. In the past four or five years, China has developed Class A fireproof materials that are both insulated and fireproof. At present, the production capacity has been expanded by several dozen times, and large-scale promotion has matured.

The Fire Department of the Ministry of Public Security announced the "Order No. 65" in March last year, and people have been making various efforts. According to the news, the Ministry of Housing and Urban-Rural Development has repeatedly communicated with the Ministry of Public Security, and local and industry insiders have repeatedly reflected this. Various rumors spread in the industry, saying that the Ministry of Public Security had to amend the "No. 65 Document", but so far, the Ministry of Public Security has not released any news. People gradually began to accept a reality - the Ministry of Public Security resolutely implemented the "Order No. 65."

From organic to inorganic

The reporter saw on the scene that the traditional EPS and XPS thin plastering system could not meet the requirements of the Ministry of Public Security's “Order No. 65”. Projects under construction on the market require a new thin plastering system to complete. There is new demand in the market, and the insulation industry is bound to take action. Exterior wall insulation systems such as foam concrete plastering systems, rock wool plastering systems, and foam glass plastering systems began to emerge at the show. The visitors have a strong interest in this, and they all said that although the new thin plastering system is nearly twice as expensive as the traditional ones, it can meet the requirements of the Ministry of Public Security, and the acceptance can also pass, which will definitely win the market. .

Liu Juncai, chairman of Shanghai Hengfeng Fluorocarbon Materials Co., Ltd., believes that the promotion of the “No. 65 Document” by the Ministry of Public Security has changed the market demand and accelerated the transformation of the industry. China is not lacking in products. What is lacking is the demand of the market and the guidance of the rules and regulations.

It is reported that from September 26 last year to February 29 this year, the Ministry of Public Security deployed a five-month campaign to clear the fires in the country, which reduced the national fire incidence by 13.5% and the death rate by 84.8%. The loss fell by 44.3%.

Class A materials are in short supply

It is reported that when the Ministry of Public Security announced the release, the industry worried that the capacity of Class A insulation materials was too small to meet market demand.

The reporter found that the capacity of Class A insulation materials is expanding rapidly. “We started construction of the STP vacuum insulation and insulation board production base in Wuhu from the beginning of last year. It was put into operation in June of that year and has achieved an annual production capacity of 100 million square meters.” Ouyang Weijie, General Manager of Anhui Kerike Insulation Materials Co., Ltd. Say.

Hu Xiaoyuan, secretary-general of China Thermal Insulation Materials Association, said that now A-grade insulation materials are in short supply, and enterprises are actively investing in A-grade material production lines. From the production of main materials, the market demand should be met at the end of this year or early next year.

Liu Juncai believes that the "Order No. 65" of the Ministry of Public Security will not have an explanation and will strictly enforce it. He hopes that the whole industry should not have any illusions. According to the national rules and regulations, it should vigorously develop new insulation materials and systems to meet the system and market demand.

International trend

Due to fire prevention issues, more than 20 states in the United States have banned the use of polystyrene foam (EPS); buildings over 18 meters in the UK do not allow the use of EPS board plastering exterior insulation systems; Germany requires buildings over 22 meters not allowed Use the system. Many insurance companies prohibit insurance for buildings with EPS insulation.

At present, rock wool and glass wool are widely used in the international market as insulation materials. The vacuum insulation insulation system sheet can reach a maximum temperature of 650 ° C and glass wool can reach 300 ° C. In most buildings in Germany, vacuum insulation systems (like the Anhui Kerek STP system) are used for exterior wall and roof insulation. More than 80% of rock wool products in Western European countries such as Sweden and Finland are used for building energy conservation.

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