The secretary general of the Organization of Petroleum Exporting Countries (OPEC) said recently that US economic sanctions against Venezuela have affected global energy supplies. He told Venezuelan media that the ECONOMIC sanctions imposed by the Uni…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…
How serious are fertility problems today? People don't want to give birth,can't afford it, and can't give birth that has become the "three mountains". The problem of childbirth is related to the people's livelihood. Whether a country can prosper or n…
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.…
Thermal insulation materials refer to materials or material composites that have significant resistance to heat flow.…
US consumers recently filed a lawsuit against Mars in a California court, claiming that the content of titanium dioxide in Skittles was too high.…
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.…
Zinc oxide is the main ingredient of natural or coral-friendly sunscreen. It reflects ultraviolet rays from the skin and provides a barrier between the skin and the sun.…
The properties and varieties of concrete additives for refractories, especially refractory castables, ramming materials, plastics and other amorphous refractories are different.…
In terms of the adaptability of cement and concrete superplasticizer, the type and quality of concrete superplasticizer also play an important role. Therefore, concrete superplasticizers should be selected according to the adaptability to cement and…
Due to the laminar structure of graphite, atoms or small molecules can be introduced between the carbon layers (intercalation）…
Commodity prices are on track for their biggest rally in more than a century, while fixed-income assets have seen their longest run of outflows as the war in Ukraine adds to inflationary pressures in the global economy emerging from the coronavirus l…
The TR-B (foaming agent) can be mixed with cement slurry to produce lightweight porous concrete. Dilute TR-B (foaming agent) with water, isolate it from the foam machine to obtain foam, and mix the foam with cement and gypsum mortar to obtain an insu…
Graphene — a two-dimensional carbon film just one atom thick — is an excellent material.…