How to identify whether calcium carbonate board contains asbestos?
Non-asbestos calcium silicate board is made of high-purity quartz sand + mica + perlite and other mineral fillers + plant fiber + amount of low-alkali cement processing, it does not contain asbestos, but with plant fiber! Do calcium silicate board, so try to know true and false!
Asbestos calcium silicate board broken mouth will be very fine very fine wool (is plant fiber), after the fire is lit, is the smell of wood burning, no special smell; with asbestos calcium silicate board broken mouth will have Rough wool (asbestos), with the fire lit, there will be a very special smell, like the smell of plastic burning.
Tell you one of the most simple and most practical method, the calcium silicate board broken, lit with a lighter,
