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HighaluminabasedPA80seriesrefractorycastables Product HighaluminaPA80refractorycastables HighaluminaPA80highstrengthrefractorycastables HighaluminaPA80abrasionresistancerefractorycastables Non-souringhighaluminaPA80abrasionresistancerefractorycastables Brand JC-PA801 JC-PA802 JC-PA803 JC-PA80T Maximumservicetemperature 1450 1500 1550 1550 Bulkdensity(kg/m3) 110°C×24h≥ 2500 2550 2600 2650 Chemicalcomposition(%) Al2O3≥ 75 78 75 78 SiC≥ 5 5 Coldcrushingstrength(MPa) 110°C×24h≥ 40 50 55 60 1100°C×3h≥ 40 50 55 60 Coldmodulusofruptuer(MPa) 110°C×24h≥ 4 5 6 7 1100°C×3h≥ 5 6 7 7 Linearchangeafterheating(%) 1100°C×3h≤ -0.1 -0.5 -0.1 -0.5 -0.1 -0.5 -0.1 -0.5 Servicearea Backkilnmouth.cooler,Decompositionfurnace Backkilnmouth,backpartofpulverizedcoalburner,rootoffurnerdoorhood,coolershortwall Properties 1,Easytoconstruct,suitableforemergencyrepair,repairandwinterconstruction;easytocureandbake;burst-resistant2,Refractorysteelfibercanbeaddedasrequest,and"steelfiberreinforced"shouldbeaddedinfrontoftheproductnameandan"F"shallbeaddedbehindthebrand.Forexample:thebrandofthesteelfiberreinforcedhighaluminarefractorycastablesPA80shouldbeJC-PA801F.