Cement is one of the important building materials that need to be used in hard loading. It is used for wall and tile, and it is used in a large amount. In general, very few people will care about the quality of cement when they are decorating, and even think that each brand is very much the same. In fact, cement is also a good and bad difference. We can observe the difference through careful observation. Brand Shop: Lemon Revolution Sets Up Decoration At first glance, see if the cement's paper bag packaging is intact and the logo is complete. The labels on the paper bags are: factory name, production license number, cement name, registered trademark, variety (including variety code), label, packaging year, month, date and number. In the second batch, the cement powder was rubbed with a finger and felt a little fine, sand, and powder, indicating that the cement fineness was normal. Third, look at the color, observe whether the color is dark gray or dark green, the color yellow, white (yellow shows the raw material is clinker, white, indicating excessive slag content) cement strength is relatively low. Four look at the time to see the production date of cement. Cement performance beyond the valid period of 30 days has declined. After three months of storage, the strength of the cement decreased by 10% to 20%, decreased by 15% to 30% after six months, and decreased by 25% to 40% after one year. High-quality cement can be solidified in more than 6 hours. Cement that does not solidify for more than 12 hours is of poor quality. Links: Advantages and disadvantages of home improvement in winter Yellow sand cement purchase Bay window decoration entrance decoration cement home decoration home decor decoration home Hengji Steel Co., Ltd , http://www.tj-steelpipes.com