The wide application of mineral admixtures mainly derived from industrial solid wastes diversifies the composition of cementitious materials, which is one of the main characteristics of modern concrete.…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…
The impermeability of concrete is related to its porosity and pore structure.…
Polycarboxylate superplasticizer is based on unsaturated polymerizable monomers with active groups such as carboxyl group, sulfonic acid group, hydroxyl group and polyoxene group as raw materials.…
According to the different molecular structure, it can be divided into four generations of polycarboxylate series superplasticizer, the first generation is acrylic acid copolymer, the second generation is propylene ether type, the third generation is…
First of all, pay attention to the storage environment of polycarboxylate superplasticizer, try to store polycarboxylate superplasticizer in a cool, ventilated, no direct sunlight place.…
In this article, defoamer, anti-shrinkage agent, preservation agent, and inhibitor will be talked about.…
This article will talk about coagulant, retarder, delayed coagulant, foaming agent, air entraining agent, and aerating agent.…
The properties and varieties of concrete additives for refractories, especially refractory castables, ramming materials, plastics and other amorphous refractories are different.…
Early strength admixture refers to the admixture that can improve the early strength of concrete and has no significant effect on the later strength.Superplasticizer for concreter is a concrete admixture that can reduce the amount of mixing water whi…
As an admixture, superplasticizer is added to concrete to reduce water consumption and increase the strength of concrete. At present, the high-performance water-reducing agents used in concrete engineering are mainly polycarboxylic acid superplastici…
With the wide application of polycarboxylate superplasticizer, the requirement of concrete early strength in practical engineering is more and more prominent, so the polycarboxylate superplasticizer has been the focus of research to meet the early st…
SLS Nylon Powder PrintingNylon sintering (selective laser sintering) is a project that uses spread powder sticks to tile a thick layer of powder materials, such as 3D printed metal powders, on parts. It is heated below the powder melting temperature…
British media have reported that scientists made a major discovery - the conversion from radio signals into electricity. Popularly speaking, this is power generation via WiFi! We may see battery-free phones and battery-free laptops in the future. Mo…
Silicon nitride is used as high-grade refractory material, such as SI3N4-SIC refractory combined with sic for blast furnace shaft and other parts…