For market decoration stone materials, how should judge it is green stone? Generally speaking, the easier way basically has: want to see building materials product packing is "Chinese environment mark"; Secondly, to see the product specification specified in the main composition of containing poisonous and harmful substance; whether Three is smell odour asked again if the product by the relevant authorities testing, whether in the security of data within the scope of; After the fourth is touch without burning, inflamed traces and representation.
Stone into natural stone material and man-made stone. Natural stone material is divided into marble, granite and Sandstone, and used in domestic outfit mostly marble. According to former stone association of sichuan province honorary President of the YangXueDong (current) to introduce, according to the national building and the ministry formulated jointly by building industry standard "natural stone products IC518-93 control standard of classification of radioactivity protection in the stone by radioactive than activity into A, B and C, each of three components, and the classification of A and B, C three belong to conform to the standards, just use the stone material of the range. Standard: radioactive than activity relatively small for A kind of stone, its usage scope unrestrained; The relatively high than activity radioactive, except for class B stone fragile for bedroom interior surface outside, all the buildings can be used for other internal and external finishes; Radioactive than activity higher to C stone, only can be used for building outside finishes, seawall, pier and stones, garden iso-effect decoration materials, etc. Therefore, can't generally speaking B, C stone is overweight stone. For consumers how to choose stone, experts say, is to see its quality inspection report, distinguish three stone.
Stone into natural stone material and man-made stone. Natural stone material is divided into marble, granite and Sandstone, and used in domestic outfit mostly marble. According to former stone association of sichuan province honorary President of the YangXueDong (current) to introduce, according to the national building and the ministry formulated jointly by building industry standard "natural stone products IC518-93 control standard of classification of radioactivity protection in the stone by radioactive than activity into A, B and C, each of three components, and the classification of A and B, C three belong to conform to the standards, just use the stone material of the range. Standard: radioactive than activity relatively small for A kind of stone, its usage scope unrestrained; The relatively high than activity radioactive, except for class B stone fragile for bedroom interior surface outside, all the buildings can be used for other internal and external finishes; Radioactive than activity higher to C stone, only can be used for building outside finishes, seawall, pier and stones, garden iso-effect decoration materials, etc. Therefore, can't generally speaking B, C stone is overweight stone. For consumers how to choose stone, experts say, is to see its quality inspection report, distinguish three stone.
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