Now China has become a powerful country in science and technology, but do you know how powerful China's technology is? The manned space station alone is not enough, and now it has successfully broken through the key technology of nuclear fusion, even leading the world by 15 years. Does this mean that China is not far from the artificial sun? It turned out that the fully superconducting tokamak nuclear fusion experimental device developed by China at the Hefei Research Institute of the Chinese Academy of Sciences successfully achieved a record of 101 seconds of continuous operation at 120 million degrees Celsius, and broke the world record. Compared with the previous record in South Korea, China has time has been directly extended by 5 times, and it seems that we are one step closer to the practical stage of artificial sun.
The success of nuclear fusion technology will lead to the development of concrete foaming agent.
Self-leveling regulating water-retaining agent
Dry and large flow concrete is used to solve the problems of unreasonable gradation of sand and stone, excessive stone powder, machine-made sand, bottom glue, low-grade large flow concrete, and poor waterline and workability after pumping and coagulation, which is different from traditional cellulose and dextrin. This product and the superplasticizer system have good mutual solubility, and there will be no delamination and deterioration at different temperatures. It is recommended to add 5~20kg per ton of finished polycarboxylic acid superplasticizer.
Machine-made sand regulator (liquid, powder)
Uses: it can be used for machine-made sand concrete to open, but it has poor workability, poor slump protection, less paste, exposed stone, bottom peeling and other conditions to improve its overall performance. It is recommended that 10% polycarboxylic acid superplasticizer be added with 20~40kg per ton.
Mud inhibitor (liquid, powder)
Used for washing sand, mountain sand, stone powder, artificial broken sand, large mud content of rubber, to ensure that it can be opened and protected, repel cement particles and disperse the paste. Equal or excessive replacement of ethers, so that polycarboxylic acid superplasticizer and slump-retaining agent play a routine role in practical work, so there is no need to greatly increase the amount of superplasticizer to achieve dispersion. It is recommended that 10~30kg should be added to polycarboxylic acid superplasticizer with 10% solid content per ton.
Low temperature early strength antifreeze
Anti-freezing early strength, effectively improve 1-day, 3-day, 7-day early strength, no effect on the later strength growth, good frost resistance. It is recommended that 10% polycarboxylic acid superplasticizer plus 5-20kg per ton.
Concrete viscosity reducer
It is used for high grade concrete, low grade concrete with much stone powder and mortar and grouting materials. It is suggested that polycarboxylic acid superplasticizer with 10% solid content per ton should be added to this product 20~40kg.
When used in washing sand, it can effectively degrade and neutralize the effect of polyqing flocculant on the dispersibility, slump retention and strength of concrete. It is recommended that polycarboxylic acid superplasticizer with 10% solid content per ton be added to this product 20~40kg.
Concrete anti-segregation agent
The concrete used for large slump segregation has a good control effect and a wide range of dosage. it is suitable for drivers to adjust at the construction site without returning the car, and will not affect the strength, setting time and chromatic aberration of segregated concrete. This product is powder. It is recommended to add 0.5-1kg to each side of concrete and mix fully in the mixer for more than 3 minutes.
When used in the environment with high temperature (above 35 ℃), it has a wide adaptability to materials and will not appear pseudo-condensation phenomenon. It can delay the final setting of concrete for more than 18 hours and does not affect the later strength. It is recommended that 10% polycarboxylic acid cost addition 10~60kg/.
Polycarboxylic acid high efficiency air entraining agent
The foaming and stabilizing properties are good, and the foam and foam size can be adjusted for a wide range of materials. Reduce the adsorption of superplasticizer in inferior cementing materials, effectively improve the grouting, workability and impermeability of concrete, and have little effect on the strength of thermosolidified soil. The finished product containing 10% solid content of polycarboxylic acid per ton is added to this air entraining agent 0.5~2.0kg (common dosage 0.8~1.5kg); 20% solid content is doubled accordingly. It is recommended that 30% of naphthalene or aliphatic or aminosulfonic acid superplasticizer per ton, plus 1.5 ~ 3.0kg.
Naphthalene slump protection agent
The cement particles are released from charge in the later stage of hydration to achieve the purpose of post-dispersion, so that the concrete can get plasticity, thus delaying the slump loss of concrete and saving the amount of air entrained and dextrin. It is suggested that naphthalene superplasticizer with 30% solid content should be added to 25~40kg per ton.
Polycarboxylic acid (naphthalene series, etc.) superplasticizer is antiseptic and sterilized with polycarboxylic acid, sodium gluconate, sugar and other components. Industrial washing products, emulsified metal processing oil and other anti-corrosion. It is recommended to add 0.8~2kg per ton of finished products.
Concrete foaming agent
Foaming and foam stabilization, used for lightweight thermal insulation material of foamed concrete. Backfill concrete ten sound insulation materials, 3D printing materials, etc. According to the bulk density or strength requirements of different materials, the addition amount varies from 1% to 10% of the rubber material.
Coagulation and water reducer industries, papermaking, oil refining, coal water slurry additives, sewage treatment and other industries to eliminate large foam and stabilize micro-foam. It is recommended to add 100-200g per ton of finished superplasticizer.
Modified rosin air entraining agent
The disadvantages of high viscosity and poor water solubility of traditional macromolecular rosin air entraining agent can be changed to form fine and dense bubbles and good stability of microfoams. Improve the workability and impermeability of concrete. It is recommended to add this product 2~4kg for every ton of finished water reducer.
Concrete Additives Supplier
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In a recent interview with Izvestia, Russian Federation Council Chairman Matviyenko said that Russia is open to dialogue with the West based on mutual respect, but the opportunity to resume dialogue will only come after the end of special military operations.
Matviyenko also noted that Europe currently lacks politicians who can make independent decisions. She said the EU's strategy to wean itself off Russian energy by 2027 would be costly, with Russia supplying 40 percent of Europe's gas, 27 percent of its oil, and 46 percent of its coal, and was essentially "anti-European" and a "tax" on US global dominance.
On Sweden's and Finland's plans to join NATO, Matviyenko said Russia will take corresponding measures if NATO weapons and equipment appear in the two countries, and Russia is capable of guaranteeing its own security.
Besides, speaking by video at an international conference, Ukraine's minister of agricultural policy and Food, said the country's grain concrete foaming agent are expected to continue to be influenced by international situations.
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