After the pce superplasticizer is added to the cement, the sodium aluminate and sodium carbonate in its main components react rapidly with the gypsum in the cement to form sodium sulfate in the alkaline solution, so that the gypsum loses its original…
Superplasticizer used in concrete refers to the fact that after mixing, it can reduce the water demand of concrete under the condition of maintaining basically the same fluidity, thereby improving the strength and durability of concrete, or under the…
Polycarboxylate superplasticizer has high surface activity and good foam retention, which will affect the strength of concrete due to excessive gas content.…
Concrete water reducing agent is one of the technical ways to reduce the cement dosage, improve the utilization rate of industrial waste residue, and realize the durability and high performance of concrete.…
Concrete is an indispensable raw material in the construction of construction projects. In the process of preparing concrete, in order to improve the performance of concrete, it is necessary to add water reducing agent after adding water, stone, sand…
Polycarboxylic acid superplasticizers are used as high range superplasticizers in high performance concrete.Water content:3.6%pH:8Total alkali:5.8%Gas content:3.1%…
Adding high-efficient water reducing agent is the most direct and effective means to adjust and optimize the ratio of concrete and improve and strengthen the properties of concrete, which can meet the requirements of most concrete construction at pre…
Efficient polycarboxylic acid Superplasticizers transform the hard and low slump concrete into flowing, toppable and easy-to-place. They improve machinability, speed up surface treatment, increase strength, save cement and help reduce shrinkage and t…
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…
According to the United Nations website, in the past week, countries reported an 8% increase in new crown cases to the WHO, with more than 11 million positive tests. Tedros noted that although some countries hav…
The ups and downs are amazing Recently, Toray Plastics (China) Co., Ltd. issued a notice stating that due to the increase in the price of PA raw materials and the tight supply, the price of related products has been increased: Nylon 6 (non-filled gra…
Niobium Nb rod with 99.95% purity About Metal Alloy 99.95% Nb Rod Chemistry: Nb: 99.95% (Fe…
The aquarium is a place for aquatic life display and popular science education, as well as a place for aquatic life resource protection and scientific research. Aquariums can specialize in marine life, freshwater life, or both; there are public aquar…
Molybdenum disulfide is a solid powder made from natural molybdenum concentrate powder, which is the modern…