Shape: Rectangle, round, sector. Material: Cordierite. Infrared honeycomb ceramic plaque used in gas stove, BBQ Various sizes We can offer ... high quality ceramic plate, which coating catalyst achieve no flame catalytic combustion and heat release. In catalytic combustion process, heat mainly infrared radiation, the ... mm.Holes Interval from 1.649 mm-2.086 mm. Infrared honeycomb ceramic plaque