What is the advantage of polycarboxylate superplasticizer?

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…

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What are the types of superplasticizer?

Common superplasticizers include lignosulfonates and their derivatives, advanced polyols and polyol complexes, hydroxy carboxylic acids and their salts, polyvinyl ethers and their derivatives, etc.…

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Effect of cement temperature on the performance of pce powder

If the compatibility of polycarboxylate superplasticizer and cement is not good, the concrete mixture is prone to some problems, such as segregation, bleeding, greater slump loss, shorter setting time and so on, so that the concrete mixture can not b…

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What are the differences between CrN and Cr2N?

The European Commission has submitted to member states a new draft of sanctions against Russia, including an oil embargo. Some member states that rely heavily on Russian energy sought exemptions. Western media reported that the European Commission d…

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The continued surge in French inflation is also having an impact on what is inkjet printing machine prices

France's annual inflation rate hit 6.1 percent in July 2022, rising further from 5.8 percent in June, the highest since July 1985, the National Institute for Statistics and Economics (Insee) said.…

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The continued surge in French inflation is also having an impact on box-type american substation prices

France's annual inflation rate hit 6.1 percent in July 2022, rising further from 5.8 percent in June, the highest since July 1985, the National Institute for Statistics and Economics (Insee) said.…

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Impact of rising thermal coal prices in Europe on 12v distributed alarm system power supply 9 outputs fusible cabinet prices

In the European market, due to the heat wave in Europe, the Rhine River, one of the main traffic arteries in Europe, has fallen sharply, causing logistical problems for barges transporting i…

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Impact of continental European gas futures rally on the 0.2ml pcr tubes market

Continental natural gas futures closed up 6.7% Thursday at a record high, with European gas prices already ten times higher than usual for this time of year. Benchmark electricity prices in Europe also hit a new record Thursday, deepening an energy c…

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A 12-year high in Danish electricity prices may also have an impact on the market for air freight

The Nordic electricity market (Nord Pool) is reported as saying that electricity prices in Denmark are now three times higher than they were this time last year. Martin Hansen, deputy hea…

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Effect of polycarboxylate superplasticizer on the concrete properties

The impermeability of concrete is related to its porosity and pore structure.…

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Novel quantum effects are found in natural bilayer graphene, which is expected to promote the resear

Recently, the Bulgarian Gas Company said that Bulgaria is negotiating with Gazprom on resuming natural gas supply, and there is a possibility that Russia will resume natural gas supply to Bulgaria.Since the outbreak of the conflict between Russia and…

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Thermal insulating refractories

Thermal insulation materials refer to materials or material composites that have significant resistance to heat flow.…

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What is GH3536 Superalloy (Hastelloy X alloy)

GH3536 (Hastelloy X alloy) is a nickel-based superalloy with high iron content mainly solid solution strengthened by chromium and molybdenum.…

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Gallium (III) Oxide Ga2O3 Powder CAS 12024-21-4

Item No.: Tr-Ga2O3 Ga2O3 is a transparent oxide semiconductor material, used as an insulating layer for Ga-based semiconductor materials, and as an ultraviolet filter.Purity: 99.9%Particle Size: -100 mesh…

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3D Printing Alloy Spherical Chromium Cr 7440 47 3 Powder

Chromium powder is Spherical, chemical formula Cr, submicron and nanopowder forms may be considered for industrial and application purpose. The appearance of Chromium powder is gray black powder. It is mainly applied in the 3D Printing.…

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