The bubbles in concrete above 100μm are called large harmful bubbles, 100 ~ 50μm are called harmful bubbles, 50 ~ 20μm are called low harmful bubbles or harmless bubbles, and those below 20μm are called beneficial bubbles.…
Thermal insulation materials refer to materials or material composites that have significant resistance to heat flow.…
Foam concrete natural maintenance can be divided into two types: cover-up sprinkler maintenance and plastic film maintenance.…
Lightweight foamed concrete, also known as foamed cement, is a lightweight porous concrete product made from foaming agent aqueous solution into foam, and then adding foam to the slurry made of cement-based cementitious materials, aggregates, admixtu…
Cement is the main raw material of foam concrete. Because foamed concrete is mostly cured at room temperature and mixed with a large amount of foam, these two points determine its high cement proportion.…
Foam concrete is also known as clc foam concrete. It is a lightweight thermal insulation material made of cement, lime and fly ash as main materials and mixed ingredients such as foaming agent.…
Foam concrete is an excellent electromagnetic shielding material, which can absorb and eliminate electromagnetic waves.…
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.…
The phenomenon of aggregate sinking and water floating will occur in the process of transportation, vibration and pumping of concrete.…
As a lightweight thermal insulation material, foamed concrete has been widely used in construction projects. Some problems have also occurred during its application. When applied to thermal insulation components, due to the excessive water absorption…
What is Potassium stearate ? Potassium stearate may also be referred for its alias "potassium octadecanoate". White powder with crystalline structure. Soluble in hot water, insoluble in chloroform, ether and carbon disulfide. The aqueous solutions ar…
Teslas vice president of legal affairs and acting general counsel, Alan Prescott, has left the electric vehicle leader to join lidar company Luminar as a chief legal officer, according to media reports on Wednesday. In response to an interview with t…
The supply of drugs used to fight opioid addiction has declined during the pandemic The per capita supply of methadone in the United States dropped 20 percent from the first quarter of 2020 t…