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What is molybdenum disulfide

Molybdenum disulfide is a compound composed of two elements, molybdenum, and sulfur, with the chemical formula MoS2. The compound belongs to the transition-metal disulfide group, which has a silver-black sheen and occurs in nature as molybdenite, the...…

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Rosin soap foaming agent for cement foaming agent

Cement foaming agent. Because rosin has carboxyl - COOH, adding alkali will produce saponification to produce abietic acid soap, which is called rosin soap. Its main component is abietic acid sodium, which belongs to the category of anionic surfactan...…

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A Method for Evaluating the Quality of 3D-Printing Metal Parts

The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's econo…

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