If you are looking for customized and cheap refractory soil made in China from a refractory soil factory, Zibo Qunhui Refractory Co.,Ltd is always at your service.Product UsesRefractory mortar is mainly divided into clay and high aluminum refractory clay, respectively suitable for masonry clay brick and high alumina brick.Brief description1.high strength 2.high service temperature 3.Good thermal shock resistanceMain Technical Property IndexesItemHigh Alumina MortarClay MortarLF-70LF-60LF-50NF-40NF-35NF-25Al2O3 %70~7560~7050~60≥40≥38≥28Refractoriness(°C)177017701750173016901580Mush Number200180160150145140