high alumina bricks,GB-60

Highaluminabricks HighaluminabricksofclinkerwithacertainamountofsoilisacombinationofvanadiumclaymadeofAI2O3contentismorethan48%oftheAl-Sirefractoryproducts.Highaluminabricksproductionprocessandhighqualityclinkerbrickproductionprocessofmulti-basicallythesame.Thedifferenceisthatintheclinkercrusherbeforegradingselectionprocessandscreeningprocessaftertheironremoval. Onthebasisoftheclaybrickhighaluminabricks,changingtheAI2O3/SiO2ratioincreasedAI2O3content,andthusrefractorinessandhightemperaturemechanicalstrengtharesuperiortoclay.Thus,avarietyofthermalequipment,partsoftheoriginalwithsilicabrick,orbrickcanbereplacedwithaluminumbrick.Withhighaluminabrickstoreplacethebrickandsilicabrick,canincreasetheservicelifeofthermalequipment.Currently,itismainlyusedformasonryfurnace,stove,electricroof,ladle,cementkilns,glasskilnsandchemicalindustryfurnace,thisisalsousedforopen-hearthfurnaceregeneratorlatticebricks,pouringsystemusingplughead,outletswitchandsoon. item index AI2O3　　　　　　　　≥ LZ-75 LZ-65 LZ-55 LZ-48 RefractorinessC ≥ 1790 1770 1750 0.2MPaRefractorinessunderload／C 1520 1500 1470 1420 Linearchangeonreheating % 1500C,　2h +0.1 -0.4 - 1450C,　2h - +0.1 -0.4 Apparentporosity/% 23 22 coldcrushingstrength/MPa 53.9 49.0 44.1 39.2