... clay and used in kiln car Refractory Kiln Car brick SK-34 Manufacturer 1. Features1. Low bulk density, low thermal ... recirculating fluidized bed furnace 3. Technical date Fire clay brick SK-34 ItemStandardAI2O3(%)38-40Fe2O3 (%)2.0-2.5SiO2 (%)58-61Refractoriness ... (SK)34Refractoriness under load, 0.2MPa, Ta, ((°C)1350Porosity (%19- ...