Sintering is part of the firing process used in the manufacture of pottery and other ceramic objects. 1  These objects are made from substances such as glass, alumina, zirconia, silica, magnesia, lime, beryllium oxide, and ferric oxide.
for our foundation, the footings were poured one day and the walls poured the next day. I think that is pretty standard. It is true that concrete takes 28 days to fully cure. 1 Like Bookmark January 20, 2010 at 12:44PM.
How long should a concrete foundation cure before removing forms? Wait at least two days (48 hours) after pouring to remove form. Keep opn watering for at least one more day (if the foundation is large - tens of cubic meters . water for anotâ¦her 3 days after removing the form.