The quick setting admixture for concrete concrete The quick setting admixture for concrete is an admixture that can greatly reduce the amount of mixing water under the condition of the same slump of concrete. The plasticizer is a kind of concrete adm…
Zinc sulfide, chemical formula ZnS, is an inorganic compound composed of zinc and sulfur elements in a ratio of 1:1. Its crystal structure is mainly sphalerite type, with high melting point, hardness, resistivity and other characteristics. As a compo…
Europe's energy crisis has already cost an estimated $1 trillion in rising costs due to the situation in Ukraine, and the worst crisis in decades has only just begun. After this winter, Europ…