If you are looking for customized and cheap cement kiln brick made in China from a cement kiln brick factory, Zibo Qunhui Refractory Co.,Ltd is always at your service.DescriptionTypically our firebrick range is based upon flint clay giving it both a low iron and low alkali characteristic. Resistance to thermal shock, abrasion, chemical attack and reducing atmospheres are just some of the key criteria determining choice of product within each application.Technical IndexItemHA60AL2O3 %   (min)60Fe2O3%   (max)2.5Refractoriness (°C)1780Refractoriness under load, 0.2MPa, (°C)1480Apparent porosity (%)22Bulk density (g/cm³)2.3Cold crushing strength (MPa)44Thermal expansion at 1000°C (%)0.4