If you are looking for customized and cheap ramming material made in China from a ramming material factory, Zibo Qunhui Refractory Co.,Ltd is always at your service.The Avoiding Baking Iron Runner Ramming Material Properties:Used materials include corundum,silicon carbide,graphite and so on,it is mainly used in the main channels and branched channel's building lining of some large and medium-sized blast furnacesProduct DescriptionItemAvoiding baking iron runner ramming materialANTGMD-1Chemical analysis(%)Al2O3≥68SiC+C≥15Bulk density(g/cm3)110°C,24h≥2.881000°C,3h≥2.81450°C,3h≥2.8Linear change rate(%)110°C,24h±0.51450°C,3h±0.5Bending strength Mpa110°C,24h≥4.01000°C,3h≥5.01450°C,3h≥6.0Cold crushing strength Mpa110°C,24h≥301000°C,3h≥301450°C,3h≥40