如下: 1、甲级(A1.50):耐火隔热性≥1.5h,耐火完整性≥1.5h; 2、乙级(A1.00):耐火隔热性≥1.00h,耐火完整性≥1.00h; 3、丙级(A0.50):耐火隔热性≥0.50h,耐火完整性≥0.50h;