After the pce superplasticizer is added to the cement, the sodium aluminate and sodium carbonate in its main components react rapidly with the gypsum in the cement to form sodium sulfate in the alkaline solution, so that the gypsum loses its original…
Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…
Tungsten is used extensively in quartz glass melting furnaces, sapphire crystal growing furnaces, and rare earth smelting faiences. The working temperature is typically above 2000. About Metal Alloy Vacuum Coating Tungsten Melting Pot Tungsten Cruc…
Ceramic AlN for sale is prepared by laser flame jet fusion method . T he obtained product has high purity, uniform particle size distribution, clean surface, high sphericity, no residual impurities, easy dispersion, and good compatibility with organi…
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