>>> Related Links: Selection and Use of Cement Home decoration is a common and common event in ordinary people's life. As the “basic skin care products†for home-built living space, the situation of home-made cement is not optimistic. Products are varied, quality is uneven, and shortages of short and two phenomena occur from time to time... So, what kind of cement is a qualified product? How can consumers scientifically choose high-quality "home-based basic skin care products" cement? Buy cement four steps Different standards of cement, quality and scope of application are different, in the face of a wide variety of mixed fish and dragons home improvement cement products, the average consumer is difficult to accurately identify. In fact, the selection of cement is like a pulse in Chinese medicine. The safest way is to choose the products of regular manufacturers. The first step: "look at" mud known good or bad. First of all, from the appearance of the packaging quality, to see whether the use of moisture-proof performance is not easy to damage the film woven bag, to see if the logo is clear and complete; usually, the regular manufacturers of cement should be marked with a registered trademark, origin, production license number, Implementation of standards, packaging date, bag net weight, factory number, cement varieties. However, poor quality cement is often unknown. Second, carefully observe the color of the cement. In general, the normal color of the cement should be grayish, and the color may be too dark or there may be too much other impurities. The second step: "smell" mud analysis quality. The smell here is not a smell. After all, it is unsafe for cement to be heard by consumers. The “smell†here is “hearingâ€. Listen to the business’s introduction of cement ingredients and infer the quality of the cement. The third step: "ask" mud known sources. It mainly asks cement manufacturers and production processes to see if their “origin†is formal and whether the production process is advanced. At present, the cement products on the building materials decoration market are mostly produced by the small vertical kiln process. Not only the product quality is very unstable, but also the enemies of environmental protection; and some professional large plants adopt the new dry process rotary kiln production and adopt advanced computer technology control. Management can ensure the stability of the cement product quality. The fourth step: "cut" mud known life. This step is mainly to use your fingers to “spike†the cement and identify the length of time it takes to leave the factory. Cement also has a shelf life. In general, the strength of cement that exceeds the delivery date of 30 days will decrease. After three months of storage, the strength of cement decreased by 10%-20%, decreased by 15%-30% after six months, and decreased by 25%-40% after one year. The cement that can be used normally should not be subject to damp and agglomerate phenomenon. The high-quality cement uses the fingers to pick cement powder and feels a fine grainy feeling. The poor quality of the packaged cement will cause moisture and agglomeration in the opening inspection. The inferior cement will be rubbed with cement powder in the fingers and it will have a rough feeling. This indicates that the fineness of the cement is coarse and abnormal, and the strength of the cement is low and its viscosity is poor. Choosing good cement for cement After the “four steps†for cement was completed, qualified cement products with good quality, health and environmental protection can finally be taken home with confidence. However, with the correct selection of qualified cement, it is also necessary to use the correct method of use in order to enable these high-quality cement products to exert their desired effects. In this regard, the experts made the following recommendations: First, pay attention to the reasonable ratio of mortar. For example, according to the use of the site: wall, floor tiles, wall tiles, etc. to choose the right proportion of mortar, each time mixing a good mortar to use in two hours is appropriate. Second, the use of special sand mortar for building materials market, in particular to control the sand quality of the mud, high mud content will reduce the degree of adhesion. Third, the tiles should be fully immersed before use (more than 2 hours) dried, to avoid mortar due to water loss to reduce strength; floor tiles should use dry shop, wall tiles should be wet shop. Fourth, the mortar should be mixed evenly. It is recommended to use it within 2 hours and 30 minutes after mixing the mortar. Through the introduction of experts, the reporter found that as long as the right method is mastered, choosing a good cement is not difficult. With the advice of experts, I believe that more consumers will polish their eyes when they are decorating, and really buy high-quality, high-performance cement products, so that the warm home environment is stronger, safer, more environmentally friendly, and healthier. Yellow sand cement purchase entrance decoration decoration company cement home improvement home decoration building materials market space home improvement home decoration home Cnc Machine are designed and manufactured by the United States, Germany and Japan. We have set up the R&D center of intelligent CNC machine tools and independently developed products. The Cnc Lathe Machine adopts China wide CNC system. The main shaft is P4 grade angular contact bearing, with 2 front and rear bearings. 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