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(The willingness of temperature to concrete cracks and suggestions for treatment) Temperature crackDuring the construction of mass concrete structures, the change in air temperature greatly influences the prevention of cracks in mass…

(What is aerogel felt?) Aerogel felt is a flexible insulation made of nano silica or metal aerogel as the main material, carbon fibre or ceramic glass fibre cotton, or pre-oxidized fibre felt through…

(What is the role of the air-entraining agent in concrete?) What is the role of the air-entraining agent in concrete? Air-entraining agents can introduce many evenly distributed, stable, and closed micro-bubbles in…

(What is chopped carbon fiber?) What is chopped carbon fiber? Carbon fiber chopped strands are cut from carbon fiber filaments, and their basic properties mainly depend on the properties of their raw materials—carbon…

(What is gypsum defoamer?) What is gypsum defoamer? Gypsum defoamer is a defoamer particularly designed for gypsum. The main components are modified polyether, esterification, and higher carbon alcohol. Defoamers refer to substances that…

(What is aerogel powder?) What is aerogel powder? Aerogel powder refers to SiO airgel powder products with nanoporous structures. This product has the characteristics of extremely high porosity, extremely low density, high specific…

(What is 525-grade white cement?) What is 525-grade white cement? White Portland cement refers to a hydraulic cementitious material made by grinding white Portland cement clinker with less iron oxide content, an…

(What is alkali-free concrete accelerator?) What is alkali-free concrete accelerator? The main components of an alkali-free accelerator are aluminum sulfate and organic amine. The alkali-free concrete quick-setting agent has no alkali, chlorine, irritating…

(What is Vitamin C?) What is Vitamin C? Vitamin C is a water-soluble vitamin, chemically named L-(+)-threose type 2,3,4,5,6-pentahydroxy-2-hexenoic acid-4-lactone, also known as L- Ascorbic acid has a molecular formula of C6H8O6 and…

(What is triterpene saponin air-entraining agent?) What is triterpene saponin air-entraining agent? Triterpene saponin air-entraining agent is a plant-based air-entraining agent. The air-entraining agent is an admixture that introduces many uniformly distributed micro-bubbles into the…

(What is maltodextrin?) What is maltodextrin? Maltodextrin (MD) is a low-conversion product between starch and starch sugar. White or slightly light yellow amorphous powder in appearance, without visible impurities, with a special smell, not…

(What is redispersible polymer powder powder?) What is redispersible polymer powder powder? Redispersible polymer powder products are water-soluble redispersible powders, which are divided into ethylene/vinyl acetate copolymers, vinyl acetate/ethylene tertiary carbonate copolymers, acrylic…