My home decoration ceiling, decoration company reported is easy to licensing calcium carbonate board to do smallpox, how ah, environmental protection? And the concrete board to identify it
Asbestos plate to see if the broken surface is a bunch of uneven dark gray flocculent fiber, this is the point of noncombustible. In addition, if it is a small plate ceiling, keel requirements are not large, if it is a large plate ceiling, pay attention to the steel keel will have a cat amount of money, may give you shoddy, this kind of thing to see a lot, the other can be considered with wood keel Ceiling, to do the anti-corrosion treatment of wood is good, mainly to prevent the filling putty cracking, because the steel keel on the vibration of the buffer is almost, or use elastic putty or AB glue filling, but also worry about bad, you can use Seam processing. Above are doing the words, basically with the housing with the birthday.
Asbestos is much cheaper than wood fiber, the middle of the black can be a lot of money, after a great risk, simple identification method is breaking apart, the fracture surface can see the yellow or white evenly distributed filaments (the best white, high strength ), It may be asbestos calcium silicate board, with a lighter burned to the taste of burning wood.
Calcium silicate board is now a lot of domestic asbestos, will cause lung cancer and mesothelioma, carcinogenic probability is very large, and now engage in decoration are generally funny (there are some companies do not have the ability to produce asbestos calcium silicate board With asbestos board posing), give you with asbestos calcium silicate board
