Sticky glaze is blank and blank phase bonding occurs, but also some body and sagger phase bonding.
firing temperature is too high, the end product deformation and bond collapse occurred.
When loading a blank green body by touch sagger, or did not leave a gap between the billet and slab, so that body adhered to each other.
(2) measures to overcome:
Mainly on the sagger serious check on the firm can not damage sagger kiln; strictly follow the rules installed billet, loaded kiln.