Does white corundum have a shelf life?
The main component of white corundum is alumina, which does not react with acid and alkali. It is very stable and generally has no shelf life. As long as white corundum is kept dry and not damp, the use effect will not be affected.
Secondly, it is necessary to ensure that no impurities enter the white corundum, which will affect the use effect of the white corundum.
