Precautions during use of superplasticizer additive

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Russian President says if the European Union imposes an oil embargo, Europe will buy energy at the most expensive price and economic activity in Europe will weaken. Rosneft needs to change its business model. Russia will help facilitate settlement and access to loans and insurance in its own currency.

According to Reuters, the European Commission will unveil a 210 billion euro plan on how Europe can end its dependence on Russian fossil fuels by 2027 and use its distance from Moscow to accelerate a shift to green energy. According to a draft document seen by Reuters, Brussels will propose a three-pronged plan to wean countries off Russian fuel: switch to importing more non-Russian gas, move more quickly to promote renewable energy, and work harder to conserve energy. The draft measures, which include EU law, non-binding plans, and possible recommendations by national governments, are subject to change before publication.

Austria is not a member of NATO and will not seek membership in the future, the Austrian Foreign Minister said in Brussels recently. He stressed that it was "their choice" for Sweden and Finland to seek NATO membership, while Austria would remain neutral.

The supply and prices of many other superplasticizer additive,pce superplasticizer are expected to continue to be influenced by international situations.

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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