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…
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 substance that can delay the setting and hardening time of refractory castable is called retarder.…
Foamed concrete is a highly entrained sand cement with at least 20% air volume in the cured product.…
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.…
Foam concrete is fire-resistant and its heat and sound insulation properties make it suitable for a wide range of uses, from insulating floors and roofs to void filling. It is also particularly useful for groove recovery.…