1. 296 to 1.357 g/cm3 is obtained. The reaction solution is subjected to pressure filtration through a plate frame to obtain a cake-like lithopone powder having a water content of not more than 45%. The mixture is calcined in a dry roaster to change the crystal form of the lithopone, and then acid-washed with sulfuric acid at a temperature of 80 °C. Finally, it is washed with water, reinforced with coloring agent, pressure filtration, drying and milling.
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2025-08-15 04:09
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Furthermore, the angle of the taper and the type of carbide used can be adjusted to enhance the bit's penetration rate and lifespan Furthermore, the angle of the taper and the type of carbide used can be adjusted to enhance the bit's penetration rate and lifespan
Constructed from high-quality materials, this tool is designed to withstand the rigors of heavy-duty drilling operations, ensuring long-lasting performance and minimal downtime Constructed from high-quality materials, this tool is designed to withstand the rigors of heavy-duty drilling operations, ensuring long-lasting performance and minimal downtime
This innovation helps to protect the internal mechanisms of the drill from the intense impacts encountered during deep drilling operations This innovation helps to protect the internal mechanisms of the drill from the intense impacts encountered during deep drilling operations
In the chemical industry, FRP is used for containment vessels, piping systems, and equipment, ensuring safe and efficient operation without the risk of material degradation In the chemical industry, FRP is used for containment vessels, piping systems, and equipment, ensuring safe and efficient operation without the risk of material degradation