Shape: Rectangle, round, sector Material: Cordierite Used in gas stove, oven, radiator, BBQ, grill Save energy 22-50 ... High thermal efficiency, economical and practical.Application:1. Gas stove.2. Gas water heater.3. Burn oven.4. Industrial baking ... MgO8.00-8.55%K2O,Na2O,CaO1.20-1.40%Fe2O3≥1% Lengthways>10.0MpaHorizontal>3.0MpaDensity(g/ ... s requirements. Infrared honeycomb ceramic plaque for gas stove