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(Does water reducer weaken concrete) What is Water Reducing? Water Reducing: High-range water reducers are polymeric dispersants that are added in small amounts to concrete. In the 1980s, polycarboxylate superplasticizers (PC) were…

(Early strength development in concrete using preformed CSH nano crystals) What is Concrete early strength The pace of production of Concrete's early strength depends on the formwork removal time and is governed by the…

(What Concrete early strength) What is Concrete early strength High early-strength Concrete is one of the types of high-performance Concrete. Steam-cured Concrete can rapidly improve the strength of Concrete at early ages…

(Retarding effect of sodium gluconate in concrete) What is Sodium gluconate? Sodium gluconate is a white or light yellow crystalline powder with molecular formula C6H11O7Na and a relative molecular mass 218.14. It is…

(Production process and characteristics of autoclaved aerated concrete) What is Autoclaved Aerated Concrete? Autoclaved Aerated Concrete (AAC) is a lightweight and porous concrete building made from cement, lime, fly ash, and other…

(What is CLC blocks? ) What is CLC blocks?  CLC blocks is a new type of wall material for energy saving and environmental protection, which has a wide range of materials, including…

(How to prevent concrete from bleeding?) What is concrete bleeding?  The phenomenon that coarse aggregate sinks and water floats up in the process of transportation, vibration, and pumping of concrete is called…

(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…