The reaction liquid is filtered through plate and frame pressure to obtain lithopone in the form of a filter cake with a moisture content of no more than 45%. It is then roasted in a drying furnace to change the crystal form of lithopone, and is then pickled with sulfuric acid at a temperature of 80°C. Finally, it is washed with water, reinforced with colorants, filtered, dried and ground into powder.
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They also offer better control over the drilling depth, allowing operators to reach targeted depths more accurately They also offer better control over the drilling depth, allowing operators to reach targeted depths more accurately
Next, the drill bit should be centered on the rod and the drill should be operated at a slow and steady speed to prevent overheating Next, the drill bit should be centered on the rod and the drill should be operated at a slow and steady speed to prevent overheating
Once the desired depth and pitch of the threads have been achieved, the bit is removed and the threads are finished by tapping, which involves driving a tap into the threads to clean them up and ensure they are uniform Once the desired depth and pitch of the threads have been achieved, the bit is removed and the threads are finished by tapping, which involves driving a tap into the threads to clean them up and ensure they are uniform
It acts as an extension of the drill, reaching into tight spaces and depths where human hands cannot It acts as an extension of the drill, reaching into tight spaces and depths where human hands cannot