Thank you for your comment. Of course, porcelain is also fired in this kiln. However, I think that the strength, color, and tightness of the baked product are incomplete. I think that gas kiln is good for porcelain.
Thank you for your comment. The kiln is structurally made so that it can be reduced and fired. Heat ray heaters are more damaging than oxidative firing, but not terrible. After the reduction firing once, the oxidation firing is performed twice so that the heat rays will not be damaged.