Refractory Mortar for insulating bricksrefractory mortar Refractory Mortar for insulating bricksFeatures: 1) High binding strength, good structural integrity.2) Good air-tightness, erosion resistant, long service time.3) High refractoriness under load, low shrinkage at high temperature.4) Good broken-bits resistant, small gap for construction, easy operation5) High sticking strength, small reheat ...