What is the advantage of polycarboxylate superplasticizer?
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The recent visit by US House Speaker Nancy Pelosi has boosted US-Taiwan relations at a time of increasing tension between Washington and Beijing. She vowed that the United States would protect Taiwan's democratic autonomy. "The United States is still determined to safeguard Taiwan's democracy," she said in a meeting with Taiwan's president, Tsai Ing-wen.
Pelosi's visit to Taiwan sparked anger in Beijing, which denounced Pelosi's visit as "extremely dangerous" to geopolitical stability. After Pelosi's visit, Beijing conducted the largest-ever military exercise near Taiwan, encircling the island with live-fire rockets and ballistic missiles. In addition, China announced that it would stop cooperation and dialogue with the United States on issues such as climate and cross-border crime prevention, indicating Beijing's intention to fight back against the United States over what it believes to be interference in China's affairs.
But perhaps most importantly for the business community, recent events have exacerbated the showdown between China and the US in the most important area of the global economy: semiconductor chips. The Sino-US chip battle, which has been brewing for years, has now reached a critical crossroads, experts say, as the two superpowers compete for technological and economic dominance. The world's chipmakers may soon be forced to choose between Washington and Beijing.
Because of the turbulent international situation, the supply and prices of many international bulk pce powder are still very uncertain.
1. Excellent plastic retention performance
Because the steric hindrance of the extended polymer side chain effectively hinders the secondary agglomeration between cement particles, so the product has high dispersion performance and can maintain this performance for a long time to realize the excellent plastic retention ability of concrete mixture.
2. Good water reducing rate
The product has good water reducing performance at low content (generally 0.2%-0.3%, equivalent to the mass ratio of dry foundation to cement), especially in high grade concrete (above C50). The maximum water reduction rate can reach 40%.
3. Good early strength and strengthening effect
Under the same conditions, the early strength and strengthening effect of concrete mixed with this product is higher than that of other types of superplasticizer.
4. Can improve the mechanical properties of concrete
Due to its good water-reducing effect and increase the structural compactness of concrete, it can improve the compressive, bending and tensile strength.
5. Can greatly improve the durability of concrete, reduce the alkali-aggregate reaction of concrete, and improve the freeze-thaw resistance of concrete.
The concrete mixed with this product can effectively improve its shrinkage and creep properties, have good dimensional stability and reduce the risk of cracks.
7. With excellent water retention performance, the concrete mixed with this product has less water secretion and no segregation than the basic product concrete, and it is easier to realize the construction operation.
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The U.S. Department of Energy has launched a $3.16 billion program to improve the supply chain for electric vehicle batteries.
The U.S. Department of Energy recently announced on its website that it will receive $3.16 billion from the bipartisan infrastructure bill to develop domestic electric vehicle battery manufacturing in the United States. $3.1 billion will be invested in new, retrofitted, and expanded facilities related to electric vehicle batteries, and $60 million will be spent on recycling and reuse of used batteries.
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and Nanomaterials including graphite powder, 3D printing powder, the pce powder, etc. If you are looking for high-quality materials, please feel free to contact us and send an inquiry.