Japanese Yakitori BBQ Refractory Castable for Pizza Oven Charcoal Barbecue Grill Konrotakaramon Description It is an oven like grill equipped with refractory castable, a material for building an oven for baking bread and pizza, on the inner wall. This grill is equipped with refractory castable for industrial furnaces that can withstand high temperatures of around 1,000 to 1,400 degrees Celsius due to the combination of alumina and highly refractory minerals. The surface is baked at high temperature until it becomes fragrant, and the