·产品描述 高空隙率、低阻力的催化剂支撑、覆盖填料                            化学成份:化学成份含量要求AL2O3(标准值+4）%AL2O3+SiO2≥90%Fe2O3<1%  物理化学性能: 主晶相Main ctystal phase长石质  feldspar长石-莫来石质Feldspar-Mullite莫来石质Mullite莫来石质-刚玉质Mullite-Corundum刚玉质CorundumAl2O3%含量Content性能lten20-3030-4545-7070-90≥90吸水率Watet absorption%≤5耐酸度Acid resistance%≥98耐碱度Alkali resistance%≥80≥82≥85≥90≥95耐温度急变Spalling resistance℃≥1300≥1400≥500≥700≥800抗压强度KN/颗Compressive strength N/pieceφ6≥120≥140≥0.44≥0.48≥0.50φ8≥120≥420≥0.60≥0.62≥0.65φ10≥400≥520≥0.80≥0.90≥1.00φ13≥480≥700≥1.30≥1.50≥1.80φ16≥600≥1100≥1.80≥2.30≥2.60φ20≥1000≥1600≥2.30≥2.80≥3.20φ25≥1500≥2000≥3.20≥3.60≥4.00φ30≥1800≥2800≥3.50≥4.00≥4.50φ38≥2500≥3200≥5.00≥5.50≥6.00φ50≥3000≥4500≥7.00≥8.50≥10.0φ60≥4000≥6500≥9.00≥10.0≥12.0φ75≥6000≥11000≥12.00≥14.0≥15.0堆积重度Bulk densityKg/m31300~14001400~15001300~14001400~1500≥1550