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The water-reducing agent should be used with concrete admixture, which will reflect the water-reducing effect. Cement quality is therefore a direct factor of the actual effect water-reducing agents. Different cement types require different strategies…
Early strength agent refers to the admixture which can improve the early strength of concrete and has no significant effect on the late strength.…
The application of various concrete admixtures can not only improve the performance of concrete, but also promote the development of new concrete technologies, promote the application of industrial by-products in cementitious material systems, and al…
Concrete is a mixture of a graded aggregate, sand, water, and cement. It is necessary to study the influence of concrete components on the effect of the high-efficient superplasticizer in order to give full play to their due effect.…
Melamine water reducing agent is the product of the reaction that melamine is first sulfonated by sulfuric acid and then condensed with formaldehyde, so the chemical name is sulfonated melamine-formaldehyde resin, which belongs to the anionic surfact…
Naphthalene Sulfonate Water Reducing Agent is the product of naphthalene sulfonated by sulfuric acid and then condensed with formaldehyde, which belongs to an anionic surfactant.…
Using concrete additives is the most effective, economical, and simple technical way to reduce the cement dosage, improve the utilization rate of industrial waste residue, and realize the high durability and performance improvement of concrete.…
There are several kinds of water reducers: lignosulfonate, naphthalene sulfonate water reducing agent, polycarboxylate-based high-performance water reducing agent.…
Concrete superplasticizer is high efficienct water reducing agent. Its difference from ordinary water reducing agent lies in the high-water reduction rate. The water reduction rate of ordinary water reducing agent is generally 5%-10%, and the water r…
GH4049 is a nickel-based superalloy, which is an age-hardening alloy. The corresponding grade is GH49. Its nickel content is about 70%.…
Google removes popular Android apps that stole passwords may expand the iphone xs screen replacement market Google is still racing to take down Android apps that are a serious invasion of privacy. Ars Technica noted that Google has removed nine apps…
The application of fourth-generation and fifth-generation rapid test kits is currently high. The adoption and innovation of digital HIV self-testing tools have increased in recent times, with website-based innovation becoming highly popular.…