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I would like to know how many manufacturers there are in the country that produce polycarboxylic water reducers? Figures to be specific.

Up to now, the list of some domestic polycarboxylic acid admixture manufacturers is as follows: Shanghai Hueyye Industrial Co., Ltd.: located in the High-tech Development Zone of Songjiang District, Shanghai City. It is a new building material technology company that sells a series of products such as high-performance plasticizing water reducers. It has successful cases from state-owned enterprises and listed companies. It has outstanding advantages in the compounding of chemical additives and overall solutions for dry-mix mortar systems, and has independent R & D laboratory and formulation optimization capabilities.

The main domestic producers of polycarboxylic water reducers include Liaoning Wantang New Materials, Jiangsu Subote, Guangdong Hongqiang, etc. These companies have strong influence in different regional markets.

As a national high-tech enterprise, Jiangsu Aolite New Materials Co., Ltd. has ranked among the top ten polycarboxylic water reducing agent companies in China for seven consecutive years and is one of the major suppliers of high-speed rail additives in China. Guangdong Hongqiang New Materials Co., Ltd. provides polycarboxylic water reducers and other products through a direct supply model from manufacturers, and has more than 30 production bases across the country.

Manufacturers of polycarboxylate superplasticizer include Shandong Tongsheng Building Materials Co., Ltd., Guangdong Hongqiang New Materials Co., Ltd. and Guangdong Lanou Building Materials Co., Ltd. Polycarboxylic acid superplasticizer is the third-generation high-performance superplasticizer developed after the ordinary superplasticizer represented by wood calcium and superplasticizer represented by naphthalene series. It is the world's most cutting-edge, high-tech, high-performance superplasticizer with the best application prospects and the best comprehensive performance.

Leizhi·Kezhijie: The brand of Leizhi Group is a leader in the domestic polycarboxylic water reducing agent industry and a leading provider of production and application technology integration solutions in the concrete admixture industry. It is committed to efficiently integrating the research and development of concrete additives., production, sales and technical services, providing high-quality services for the commercial concrete industry and infrastructure projects.

The price of polycarboxylate superplasticizer in 025 will vary greatly due to product type, region and purchase volume, ranging from 1600 yuan/ton to 60,000 yuan/ton. The price range market quotations show significant stratification, mainly divided into three ranges: ordinary finished products: concentrated at 3050-4000 yuan/ton, such as Shandong Zibo spot (3050 yuan/ton) and Chongqing products (4000 yuan/ton).

What are chemical blowing agents and physical blowing agents?

1. 3) Hydrofluoroolefin (HFOs) blowing agents such as HFO-1336mzz (Z) and HFO-1233zd (E): A new generation of ultra-low GWP physical blowing agents with ODP of 0 and excellent foaming properties. They are mostly used in PU foaming scenarios with extremely high environmental requirements such as high-end cold chain insulation and new energy battery pack insulation layers.

2. Common brands of physical blowing agents include HFC 134a, HFC-152a, HCFC-22 and HFC 142b. Among them, nitrogen and alcohol mixtures are currently mainly used in PS (polystyrene) materials, and other models are mostly in the transitional substitution research stage.

3. Physical foaming: Physical foaming, also known as supercritical foaming, mainly uses supercritical fluid treated by carbon dioxide, nitrogen and other gases at high temperature and high pressure as a foaming agent. At normal temperature and pressure, the process of transforming supercritical fluids into gases is a physical change and does not involve chemical reactions. Chemical foaming: Chemical foaming uses chemical foaming agents such as azodicarbonamide (AC foaming agent) and sodium bicarbonate.

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