Cement is an indispensable material in modern decoration. The strength of cement is an index to determine the cement label, and it is also the main basis for selecting cement. After all, most people are new to renovation, many people are not quite sure of the meaning of cement grade cement label is not better it? The following Xiao Bian will introduce you to the knowledge of cement labels and hope to help you. Cement label meaning The cement bags are marked with different labels, such as 400, 500, etc. These numbers have different meanings. Normally we all understand that the construction of bridges and roads must be very sturdy. At this time, high-strength concrete must be used. As the saying goes, killing chickens with scorpions, building houses, factories, and the like do not require such high strength cement. According to the construction of different buildings, the need for different, the grade of cement used is not the same. The label of cement is the grade sign of cement. Cement label contains information 1, the strength of cement after solidification This strength includes the compressive strength and tensile resistance of the cement after solidification. The higher the cement number, the greater the two intensity values. The smaller the contrary. 2, the speed of cement solidification The cement label also means the speed at which the cement solidifies. General emergency engineering and underwater engineering, such as waterways, bridge piers and other buildings, must require a short solidification time, the use of fast-hard cement such as 700, 800 is better. The construction of walls, floors, and other construction projects requires less solidification time and requires a slower solidification rate of cement. What are the cement labels? 1. The strength grade of Portland cement is divided into six grades: 42.5, 42.5R, 52.5, 52.5R, 62.5 and 62.5R. Is the higher the better the cement label? Some people may ask, since the higher the cement number, it means that the stronger the solidification time, the shorter the time, in the decoration, the cement label is not the higher the better? There are many owners in the decoration, see the decoration company opened The list that came out read "325 cement," thinking that the label was too low and not reliable. A senior industry official stated that in fact, the labeling of cement is not as good as it gets. If cements of different labels are selected, besides considering the price factor, the use of cement must also be considered. 1, the price. The larger the number of cement, the better the compressive strength and tensile strength, the more complex the construction requirements, and the higher the price. When decorating, it is better to budget money and spend money on it. 2, use. Each cement label has its scope of application, and it cannot be simply understood that the higher the better. Like 525 cement is not suitable for masonry wall, more used for flooring. Although the strength of 525 cement is greater, but also dry faster, especially in the current high temperature environment in the heat, if used for wall, the probability of wall cracking will be higher; on the other hand, the masonry wall is also not forced Wall, so 325 or 425 cement can meet the needs of the pre-decoration. Edit Summary: cement grade label on what it means and cement content the higher the better it is for everyone to introduce here, I am sure the cement grade has been more understanding. Learn more about building materials, and be able to understand and avoid being cheated when you are decorating your home. If you want to know more about decoration, please continue to pay attention to our website information channel! Conch Cement Cement Cement Cabinet Price Cement Cabinet Door Decoration Design Cement Stairs
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The cement number is an indicator of the "strength" of the cement. The strength of cement is the size of the force per unit area. It refers to the firmness of the cement after it is mixed with water, and the degree of solidification after consolidation and hardening (the strength of the cement and the mineral composition of the cement, the particle fineness, the temperature at the time of hardening, the humidity, and The proportion of water in cement is related to factors such as). The strength of cement is an indicator to determine the cement label, and it is also the main basis for selecting cement. 
2. The strength grade of ordinary Portland cement is divided into four grades: 42.5, 42.5R, 52.5, and 52.5R.
3. The strength grades of slag portland cement, pozzolanic portland cement, fly ash portland cement, and composite portland cement are classified into three grades: 32.5, 32.5R, 42.5, 42.5R, 52.5, and 52.5R. . 
What does the cement label mean? The higher the cement number, the better?