What are the standards for the dosage of concrete air-entraining agent?
What are the dosage standards for concrete air-entraining agents during production and use? As an industry person, you must not dare to be careless. It all needs to be determined through a certain amo…
How much antifreeze should be added to one side of concrete? Huaibei early strength antifreeze price, Suzhou antifreeze manufacturer, Xuzhou genuine antifreeze
During concrete construction, in order to prevent cold air from affecting the performance of the concrete, an appropriate amount of concrete will be added. But how much antifreeze should be added to t…
How to mix concrete antifreeze? Jiangsu concrete antifreeze manufacturer, which is the best early strength antifreeze in North Jiangsu?
1. For construction at 0~ -5℃, 4~6% can be added. 2. When constructing at -5~-10℃, 5~8% can be added. 3. When constructing at -10~-15℃, 8~10% can be added. Early-strength antifreeze uses special antif…
What are the main components of concrete retarder? If you don’t understand, you’ll be out.
What is the main component of concrete retarder? Generally speaking, it is not disclosed to the public. The editor of Anhui Yulong New Materials Co., Ltd. will take you today to learn about the main c…
The necessity of Hefei cement concrete antifreeze in winter construction
Facts have shown that low or negative temperature environments are very unfavorable to cement concrete construction. Low ambient temperature will slow down the hydration reaction of cement, thus affec…
What effect do retarder have on concrete? Can be known
What impact does retarder have on concrete? It mainly affects the properties of fresh concrete and hardened concrete. There are roughly four aspects that affect the performance of fresh concrete: (1) …
Effect of retarder on concrete setting time Experiment instructions
Industrially: Retarder is a new type of concrete admixture. There are a large number of hydroxyl and carboxyl groups in its molecular structure, which can form stable complexes with free Ca 2+ in the …
What are the effects of adding too much concrete retarder?
Since admixtures can improve and adjust the properties of concrete, admixtures are used more and more widely in engineering. However, improper use of admixtures not only fails to improve and adjust th…
A good companion for mortar in winter – early strength antifreeze Hefei concrete antifreeze manufacturer effectively solves the problem of dry mortar surface and dry inside
Used as rapid setting agent, lubricant and early strength agent for cement. Used in building mortar and various concretes to speed up the hardening of cement and shorten the setting time, especially d…
Necessary industry knowledge for concrete admixture practitioners
The birth and development of concrete admixtures in our country was mainly in the 1970s and 1980s. Since then, our construction pace in China has gradually grown in the country, and the construction i…