Product Name: Fire Clay Brick for Industry Furnace (RN40) Model NO.: RN40 Shape: Brick Type: Refractory Material Feature: Long Time Materials Refractoriness (?): 1580< Refractoriness< 1770 a.P: Less Than 24 Trademark: CMAX Transport Package: Pallet Origin: China HS Code: 6902900000 Product Description FIRE CLAY BRICK---RN40CMAX fireclay bricks are made from clinker clay. The alumina content ranges from 36% to 48%.ApplicationCMAX fireclay bricks are commonly applied in blast furnace, hot blast furnace, teeming ladle, glass furnace, etc.FeaturesLow thermal conductivity High refractorinessHigh mechanical strength Excellent thermal shock resistancePhysical Properties:ITEM RN40Refractoriness,1730Bulk Density, g/cm32.15Apparent Porosity, %24C. C. S, Mpa28Refractories Under Load (0.2Mpa),1430Reheating Linear Change, %1350x2h 0~-0.3Al2O3 Content, %40