Product Name: Ceramic Burning Plate for BBQ/Heater/Cooker Model NO.: Sanhe Burner plate Material: Alumina Block Shape: Brick Type: Heat-Resistant Material Feature: Long Time Materials Refractoriness (?): 1580< Refractoriness< 1770 Model No.: Square and Round Shape, More Than 70 Sizes Operation Temp.: 1280 Degree Aperture: 1.3-1.5mm Priciple: Regenerative Heat Exchanger Square (Length * Width): <200