Here is a video showing how to restore your glaze and clay after having been frozen.
Can ceramic be frozen.
Ceramic pans can be used for freezer storage as long as it is tempered and baked properly.
Wedge it together again and it will return to it s ready to use state.
Can porcelain be frozen.
Pottery fracture results from stress within a ceramic body due to thermal expansion and contraction shrinkage and other forces.
Cracks can result in uneven drying from thinner to thicker spots within the pot.
How to restore your clay once frozen.
If your clay has frozen all you need to do is to ensure the clay platelets are mixed together again.
But i would consider using a frost proof tile most often in the porcelain family.
Remember that clay materials have gone through millions of years of erosion freezing and thawing.
It is best to at least keep a house at a minimum temp if at all possible.
If you want to reheat food that you froze in a ceramic pan make sure you do not preheat the oven.
If you want to reheat a dish that you froze in a glass or ceramic pan do not preheat the oven.
Putting frozen glass or ceramic into a hot oven can cause the pan to crack.
These will tolerate temp changes much better.
Check to make sure that the glass or ceramic pan is specifically labeled freezer safe.
The clay that was frozen will seem very wet.
Glass and ceramic pans can be used for freezer storage as long as the glass is tempered.
Frozen clay can be thawed and re wedged to return it to workable condition.
For many potters the clay once frozen can often be just as good if not better than before.
As a general rule dogwood ceramic supply will hold or delay any freeze sensitive product if the day time high temperature at the customer s location or any freight servicing terminal between the shipping point and the customer is below 32 f and when the transit time includes weekends or holidays that will cause the shipment to sit for a period of 12 hours or more.
Putting a frozen ceramic in a hot oven can cause the pan to crack shatter.
Poor drying or uneven compression and alignment of particles can result in low strength.
If the ceramic is dry along with the substrate under it chances are slim that it won t.