Foam concrete used as sound-absorbing and energy-absorbing material
The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.…
The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.…
Foam concrete contains a large number of closed pores, the air in the pores is a good adiabatic medium, which can cut off the heat exchange.…
Before construction, ensure that all kinds of instruments used during construction can operate normally, check their status and break the work, and the materials must be in place.…
Foamed concrete is a highly entrained sand cement with at least 20% air volume in the cured product.…
Polycarboxylate superplasticizer has high surface activity and good foam retention, which will affect the strength of concrete due to excessive gas content.…
Analysts at JPMorgan recommended selling or "underweight" emerging market local currency sovereign debt because of the global impact of the Ukraine-Russia crisis.JPMorgan estimated that fixed-income assets in emerging markets have lost 6-9 percent of…
Foam concrete has a low density. In practical application, the density grade of ordinary foam concrete is 300 kg/m3~1200kg/m3.…
Foam concrete is a highly workable low-density material containing up to 80% air.…
This article will continue to talk about the influences of concrete foaming agent on foam concrete.…
The cement foaming agent is the key to the quality of foamed concrete. A good cement foaming agent can be made into high-quality foamed concrete.…
Concrete is classified as high-strength concrete based on 28-day strength. Until the 1970s, concrete with a strength of more than 40Mpa was classified as high-strength concrete.…
Cement foaming machine needs auxiliary test machine to help achieve better foaming effect in construction application. Cement foaming agent is a chemical admixture, which is added to cement. Compensate for shrinkage and tension of steel bars to produ…
The price of lithium-related battery materials continues to remain high, on the one hand, because the market share of new energy vehicles continues to grow, and the demand for power batteries continues to grow, and on the one hand, it is also caused…
Acrylic, also known as plexiglass, has a very wide range of applications in the industry. Acrylic products are also very common in our lives. How does acrylic sheets become various finished products we see in our lives?…
Researchers at Chalmers University of Technology in Sweden have proposed that a new type of graphene could be used as a special effect material for the production of high-performance electrodes for sodium batteries.…