Cement is a very important building material in decoration. If you buy inferior cement carelessly, it is likely to cause the wall and floor tiles to be not firmly bonded and fall off and burst. Then, in order to avoid this problem, Xiaobian will teach you how to distinguish high-quality cement from inferior cement.

1. Characteristics of high-quality cement

1. Paper bags of cement are well packed and completely marked. The marks on the paper bag include: factory name, production license number, cement name, registered trademark, variety (including variety code), label, packaging year, month, day and number. Different kinds of cement use different colors, such as red for portland cement and ordinary portland cement, green for slag cement and black for pozzolanic cement and fly ash cement.

cement renderings

2. When you twist cement powder with your fingers, you feel a little fine, sandy and powdery, indicating that the fineness of cement is normal.

3. The color is dark gray or dark green.

4. No caking due to moisture.

5, excellent quality cement, more than 6 hours can be solidified.

cement decoration effect diagram

II. Characteristics of inferior cement

1. The identification items on the cement packaging bag are incomplete (such as factory name, production 2 license number, cement name, registered trademark, variety, label, packaging year, month, day and number, etc.), because the national standard stipulates that the cement variety, label, factory name and factory number in the cement packaging label are not all unqualified.

2. After opening inspection, it is found that it is damp and caked.

3. When you twist the cement powder with your fingers, you feel that there are more coarse sand powder and many coarse and hard particles, indicating that the fineness of the cement is coarse and abnormal.

4. The cement strength with yellow and white color (yellow indicates that clinker is raw material and the amount of white slag is too much) is relatively low.

5. The quality of cement that cannot be solidified after more than 1.2 hours is not good.

cement effect diagram

The above is a description of the characteristics of high-quality cement and poor-quality cement. Through their characteristics, we can make a good distinction. In short, remember to be careful when buying cement. If you have any other questions, please continue to pay attention.