Cheap Jinan Zhangqiu black stone

Brief Zhangqiu black stone durability factors which structural strength: in the selection of Zhangqiu black, you must consider the physical properties of structural strength in different directions: it must be able to withstand including gravity, wind off, vibration, temperature changes, wear and tear, load and many other external damage. This requires Zhangqiu black granite of various intensities to be high, especially in the high-mounted stone. chemical properties. Zhangqiu black stone must be weathered, hydration, dissolution, dehydration, acidification, reduction and carbonate chemical attack, has a considerable resistance to do this it must have a waterproof absorption: Zhangqiu black blocks at the time has not been mined, its molecular structure is relatively stable, but exposed to the atmosphere when it occurs between the stone house with bad minerals, and therefore the purchase, should try to choose the pore distribution, small aperture, good quality blocks.