Deformation

Problem / Question

The press ceramic is deformed after baking CZR porcelain or glazing.

Cause (1)

CZR porcelain has been baked on the press ceramic without the zirconia framework

Solution / Answer (1)

A zirconia framework is a must for baking of CZR porcelain.

Cause (2)

The margin shape is either knife-edge or chamfer, or the margin thickness is thin.

Solution / Answer (2)

The margin shape should be either shoulder or heavy chamfer, and thickness of the press ceramic should be more than 1.0 mm.

Cause (3)

Baking temperature of CZR porcelain is too high.

Solution / Answer (3)

Observe the specified baking schedule.

Cause (4)

Other manufacturer's porcelain has been used.

Solution / Answer (4)

Use only CZR porcelain.