If you are looking for customized and cheap high density refractory fire clay brick made in China from a high density refractory fire clay 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. Feature1. Low thermal conductivity, good thermal insulation performance.2. Long service life, easy operation, could be shaped freely3. Product specification: standard form, normal standard, shaped and special shaped bricks.4. Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the most widely used.