Cement is a kind of powdery hydraulic inorganic cementitious material. It is mixed with water to form a slurry, and can firmly bond sand, stone and other materials together to achieve the effect of sticking ceramic tiles. Today, the editor will introduce to you what are the top ten famous brands of cement in China and how to choose qualified cement. I hope it will be helpful to everyone!
What are the top ten famous brands of cement in China
1. Anhui Conch Cement Co., Ltd. (Conch)
Anhui Conch Cement Co., Ltd. was established in 1997 and has a history of several decades. It pioneered the overseas listing of China's cement industry. First of all. After years of rapid development, the company's production capacity has continued to grow. The company has successively built large clinker bases such as Tongling, Yingde, Chizhou, and Wuhu, and its technology has also reached a very advanced level.
2. Jiangxi Dieffenbachia Cement Co., Ltd. (Dieffenbachia)
One of the top ten famous cement brands in China is Dieffenbachia. This brand will be familiar to everyone. It is an old brand and is produced in Jiangxi. of a brand. It was also founded in 1997. It was the first manufacturer in the country to adopt the new domestic dry process cement process line, and its current production technology is also very complete.
3. Southern Cement Co., Ltd. (South)
Since its establishment, the Southern Cement brand has adhered to the development policy of "joint reorganization, optimized layout, market coordination, management integration, and technological progress" , the company's scale continues to grow. As of the end of 2010, Southern Cement's annual production capacity exceeded 120 million tons, and its market coverage was very broad. In Shanghai, Jiangsu, Anhui, Jiangxi, Guangxi and other provinces (cities), it became the largest large-scale cement enterprise group in the southeast economic zone of my country.
How to choose qualified cement
1. Cement production date
Cement production date. When buying cement, you must first check its production date. Its validity period is 30 days. If the product exceeds this period, the quality will decline. Moreover, the longer the cement is stored, the worse the product quality will be. Usually high-quality cement can solidify in more than 6 hours, but cement that cannot solidify in more than 12 hours is of poor quality.
2. Cement paper bag packaging
No matter what product you buy, the packaging also reflects the quality of the product. Therefore, when buying cement, you should also check whether the paper bag packaging of the cement is intact and whether the logo on the paper bag is intact. Are there: factory name, cement name, registered trademark, variety packaging year, month, day and serial number and other information.
3. Cement color
It is very important to look at the color of the cement surface. Observe whether the color is dark gray or dark green. If the cement is yellow or white, yellowing means that the clinker is raw. Material and whitening indicate that too much slag is added, and the color of such cement is not good.
4. Cement fineness
The last one is to look at the fineness of the cement, that is, twist the cement powder with your fingers. If you feel a little fine, sandy, and powdery, it means that The cement fineness is normal.