Description

High Strength Corundum Castable Refractory Brand Properties GJ***0 GJ**8S GJ***0F KT***5 KT**8SS KT***0S Chemical Composition (%) Al2O3 ≥*4 ≥*0 ≥*4 ≥*3 ≥*0 ≥*3 SiO2 ≤0.5 ≤5 ≤0.5 ≤5 ≤4 ≤0.5 Fe2O3 ≤0.5 ≤0.5 ≤0.5 ≤0.1 Max service temperature °C ***0 ***0 ***0 ***0 ***0 ***0 Bulk density after burnt at **0°C (g/cm3) ≥2.9 ≥3.0 ≥2.8 ≥3.0 ≥2.9 ≥2.9 Linear changing after burnt at ***0°C×3h (%) 0.**0.5 *0.1~ *0.5 0.**0.5 *0.1~ *0.5 0~ *0.4(***0°C×3h) 0~ *0.3(***0°C×3h) Compressive/Bending Strength (MPa) **0°C×*4h ≥*0/≥8 ≥*0/≥*0 ≥*0/≥7 ≥**0/≥*0 ≥*0/≥*0 ≥*0/≥7 ***0°C×3h ≥**0/≥*2 ≥**0/≥*5 ≥*0/≥*0 ≥**0/≥*2 ≥**0/≥*0 ≥**0/≥*5 ***0°C×3h ≥**0/≥*0 ≥**0/≥*0 ≥**0/≥*5 ≥**0/≥*0 Max grain size of aggregate ( mm) **8 **8 **8 **8 3 3 Water content for construction by weight ( % ) **6.5 **6 5.**7 **5 **8 5.**7.5 Usage Cement kiln Outlet Burner Cement kiln Outlet cooler Cement kiln Outlet Large Cement kiln Outlet Preheating room Wear-resistance lining of whirl wind separator in oil catalyst cracking unit Wear-resistance lining of whirl wind separator in oil catalyst cracking unit Test standard YB/T********3 Packing *5kgs Plastic bag