Building materials and combustion performance classification / GB8624-2006 / red fire retardant MDF

Building materials and combustion performance classification / GB8624-2006 / red fire retardant MDF People's Republic of China Ministry of Public Security on the implementation of a number of issues of national standards GB8624-2006 "building materials and combustion classification" public notice eliminate [2007] No. 182 provinces , autonomous regions and municipalities Public Security Fire Department, police officers training base in Tianjin, Ministry of Public Security in Tianjin, Shanghai, Shenyang, Sichuan Fire Research Institute, Ministry of Public Security Fire Product Conformity Assessment Center: National Standard GB8624-2006 "building materials and combustion classification" was June 19, 2006 release, and was officially implemented March 1, 2007. Since this standard with the earlier version of GB8624-2006 GB8624-1997 are quite different in terms of principle, hierarchy, test methods, in order to ensure a smooth transition of the old and new standards, hereby notify the relevant issues as follows: First, since March 2007 From 1 May, in accordance with the standards for older GB8624-1997 construction materials testing, inspection reports within its validity period, inspection reports remain valid, its supervision and inspection commission samples and test samples can still perform in accordance with GB8624-1997. In addition, should GB8624-2006 inspection and grading. Second, the current, the current national standard "interior decoration of buildings for fire protection design" GB50222, "fire protection design of tall buildings" GB50045, "architectural design code for fire protection" GB50016 and other material on the combustion performance requirements and classification method corresponding GB8624-1997 In the present case these norms have not yet completed the relevant amendments in order to ensure the smooth implementation of existing norms and GB8624-2006, the country may temporarily refer to the following classification relativities, after code revision, according to the relevant provisions of the standard execution: 1. Press GB8624- 2006 testing determines that the A1 and A2 grade level, which corresponds to the relevant norms and GB8624-1997 Class A; (2) according to GB8624-2006 testing determines that the class B and C, which corresponds to the relevant norms and GB8624-1997 the B1 level ; 3, according to GB8624-2006 testing determines that the D class and E-class, which corresponds to the relevant norms and B2 level of GB8624-1997.