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.
...
2025-08-14 06:50
1418
Additionally, consider using a post hole digger or auger to create holes for the posts, ensuring they are deep enough to securely hold the fence in place Additionally, consider using a post hole digger or auger to create holes for the posts, ensuring they are deep enough to securely hold the fence in place
