OPEC+ is likely to stick to its plan for a small increase in oil superplasticizer additive,pce superplasticizer will continue to be influenced by the oil supply shortage.
What is superplasticizer additive?
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 retarding effect, so that the calcium aluminate mineral rapidly Hydration, and precipitate its hydration product crystals in the solution, so that the cement concrete rapidly coagulates.
Plasticizer and superplasticizer in concrete Notes:
1. Please do not add this product when mixing materials. Because stones and sand contain a lot of water, the concrete superplasticizer absorbs water in a short period of time and decomposes its quick-setting components, which affects the setting time, reduces the strength of concrete, and reduces the poor concrete quality. Effect.
2. Before use, a trial mix test should be carried out for the type of cement used in the project, and the dosage should be selected before it can be used in large quantities. Expired cement cannot be used, and cement that does not meet national standards cannot be used. The concrete water reducing agent is required to be properly stored to prevent the failure of moisture agglomeration. Strengthen early maintenance to ensure later strength. Strictly good water-cement ratio. For projects with water seepage and leakage, the dosage must be increased.
PCE superplasticizer is a kind of concrete admixture that can be mixed with water under the condition that the slump of concrete remains basically unchanged. Most of them are anionic surfactants, such as lignin sulfonate, naphthalene sulfonate formaldehyde polymer, etc. After adding to the concrete mix, it has a dispersing effect on the cement particles. Can its workability, unit water consumption, fluidity of concrete mixture; or unit cement consumption, saving cement.
Concrete superplasticizer additive is a kind of admixture that can meet the necessary unit water consumption in concrete, and can specify the consistency requirements and workability of concrete. When mixing concrete, adding an appropriate amount of water reducing agent can make the cement particles disperse evenly, and at the same time release the water wrapped by the cement particles, so that the water consumption of the concrete can be significantly increased.
1. Hydration efficiency, unit water consumption, water-cement ratio, concrete strength, concrete construction performance, saving cement consumption;
2. The workability of concrete that has not yet solidified to prevent the segregation of concrete components;
3. Impermeability, water-reducing and water-permeability, avoiding water leakage in concrete building structures, durability, chemical corrosion resistance;
4. The shrinkage rate of concrete solidification to prevent cracks in concrete components;
5. frost resistance, conducive to winter construction.
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Southern Copper Corp (SCCO.N) recently said its Peruvian mine remained closed after a six-week standoff with protesters and blamed the Peruvian government for failing to intervene in the safety of its 1,300 workers and their families.
The company said in a statement that a recent agreement to end protests at the Cuajone mine required the company to withdraw complaints against protest leaders because railways transporting minerals and supplies remained blocked. Production has been suspended since the end of February.
Peru's Energy Ministry said in a separate statement that it had also reached an agreement with Southern Copper to start talks to find common ground with local communities.
"If we shut down for a year, the government will stop receiving more than 3.1 billion soles ($830 million) in taxes and royalties, and 8,000 direct and indirect jobs will be lost. This is what we want to avoid, "Southern Copper added in the statement.
Peru has faced a wave of protests from indigenous communities, who accuse mining companies of not providing enough jobs and funding to poor local residents.
Central bank officials said last week that protests against copper mines such as MMG's Las Bambas and Southern Copper's Cuajone were dragging down the economy.
Peru is the world's second-largest copper producer and mining is an important source of tax revenue for the country. It is estimated that the supply and prices of the superplasticizer additive,pce superplasticizer will be influenced by that.
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