Cement in the hardening process, if you do not create an uneven volume deformation cement products, no cracks, bending and other phenomena, is called soundness qualified; if the hardened cement produced uneven volume changes, resulting in harmful expansion, will so that the building cracked, or even collapse, it is called stability failure. Such cement can not be used in the project. Cement stability test, according to GB / T 750-1992 conduct. Testing process is the use of standard cement paste consistency were, be made into a certain shape (diameter 70 ~ 80mm, center thickness lOmm cement floor, tapered edge) test cake white cement prices put people inside the boiling boiling 4h, such as boiled bread by visual observation of the test no cracks were found, when checking with a ruler and no bending phenomenon is called stability qualified; on the contrary, was unqualified. Cement cement _ _ Hankou of Wuhan cement provided by the Hongshan District of Wuhan pavilion cement operation. Hongshan District of Wuhan pavilion cement business unit (www.whltsn.com) (www.hbltsn.com) strong, credible, in Wuhan of cement and related products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Wuhan cement into the brilliant and you work for a better future!