Job Recruitment Website - Zhaopincom - What cement does the school use to build a canteen?
What cement does the school use to build a canteen?
Use 42.5 ordinary silica gel cement.
Produced by Ningguo Conch Company, used for pouring concrete. The strength reaches the standard in three days. 32.5R composite cement (for masonry) produced by Ningguo Conch Company (3) sand: silt content is not more than 1%.
Cement is a kind of powdery hydraulic inorganic cementing material, and its main raw material is lime or calcium silicate. Cement, also known as cement, red wool ash, etc. , usually not used alone, but often used in combination with sand and gravel to form mortar or concrete. Cement and water are mixed to form slurry, which can be hardened in air or water, and can firmly bond sand, stone and other materials together. Cement is widely used in civil construction, water conservancy, national defense and other projects.
- Related articles
- What skills do recruiting clerks need?
- Software engineering. What? Employment direction? Urgent! thank you
- Would you like to ask whether the recruitment front desk of Marriott Hotel needs a college degree or other requirements? I am a high school graduate.
- Clothing partnership management contract
- 20 15 what are the application conditions for Jiujiang institutions in the first half of the year?
- Which cities have low consumption and cheap seafood?
- How long does the front-end training take?
- How many places are there on the vehicles in Kunshan?
- Which is better for peach packaging?
- List of Specialized and Innovative SMEs in Bincheng District