In home decoration, floor tiles, wall tiles paste, and so on to be used in cement mortar masonry cement density, it can not only enhance the adsorption capacity of the surface material and the grass-roots level, but also to protect the internal structure, but can be used as the matte side leveling buildings layer, so the renovation work, the cement mortar is essential materials. Many customers believe that the greater the total mortar cement ratio, the stronger its adhesion, it is often used in much the cement and decoration company divided. In fact, as an example to paste tile cement, cement grade if too large, when the cement mortar setting, cement absorbs moisture, then the tile water absorption of the surface layer is excessively easy crack cement board, and shorten life. Cement generally should cement: sand = 1: 2 (volume ratio) to stirring. Cement according to purpose and performance is divided into: (1) General Cement: general engineering works usually cement. Universal Cement mainly refers to: GB175-2007 six categories specified in cement, ie Portland cement, ordinary portland cement, slag cement, pozzolana cement, fly ash cement and compound portland cement. Cement special purpose: (2) special cement. Such as: grade G oil well cement, Portland cement road. (3) Characteristics of Cement: Cement certain performance more prominent. Such as: rapid hardening Portland cement, low heat portland slag cement, expansive cement, cement and phosphate cement aluminate phosphor. _ Pavilion cement grade cement (Online) _ provided by Castle Cement Hongshan District of Wuhan pavilion cement operation. Hongshan District of Wuhan pavilion cement business unit (www.whltsn.com) (www.hbltsn.com) was Wuhan, cement and products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Cement leader in the pavilion with the staff warmly welcome all inquiries negotiations to create a better future for cement pergola.