Principle of chemical antioxidant effect of antioxidant 1010 in PBT
PBT (polybutylene terephthalate) belongs to the polyester series and is composed of 1.4-pbt butylene glycol (1.4-Butylene glycol) and paraphenylene glycol. Milky white translucent to opaque, crystalli…
Effect of air-entraining agents on concrete properties
Air-entraining agent, also known as air-entraining agent, is an admixture that introduces air into the concrete mixture during the mixing process to form a large number of tiny, closed and stable bubb…
The effect of admixtures on concrete
Concrete refers to cement as the main cementing material, mixed with water, sand, gravel, chemical admixtures and mineral admixtures when necessary, in appropriate proportions, and after uniform Artif…
Do you know the effect of water reducing agent on the rheological properties of concrete?
During construction, the amount of water-reducing agent affects the workability, bleeding rate, setting time and compressive strength of concrete. It is necessary to prepare fresh concrete with good f…
Warning: Loss of water-reducing agent effect causes loss of concrete slump
There are many factors that influence the slump of concrete. The slump loss of concrete directly affects the constructability of concrete, brings difficulties to construction, may cause construction a…
One trick to teach you about the effect of water reducing agent on cement hydration
Water reducing agents have a series of important effects on the properties of cement slurry mainly through adsorption. The requirements for concrete raw materials are more stringent than those of trad…
Concrete mud inhibitor formula technology to neutralize soil charge effect
What is the formulation process of concrete mud inhibitor? I am still curious. According to a practitioner who has been working in concrete for many years, the main principle is to neutralize the surf…
What are the theories on the retarding effect of retarder on cement? A must-see for professionals
It is well known that retarder can help retard cement to a certain extent. As a professional, you must know what kind of theory it is? The theory of retarder’s retarding effect on cement can be …
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 …
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