聚酯长丝土工布技术参数表（GB/T17639-1998）：序号项目规格指标1001502002503003504004505006008001单位面积质量偏差-6-6-6-5-5-5-5-5-4-4-42厚度，mm>0.81.21.61.92.22.52.83.13.44.25.53幅宽偏差%-0.5-0.5-0.5-0.5-0.5-0.5-0.5-0.5-0.5-0.5-0.54断裂强力KN/m4.57.510.512.51517.520.522.52530405断袭伸长率%40-8040-8040-8040-8040-8040-8040-8040-8040-8040-8040-806CBR顶破强力KN>0.81.41.82.22.63.03.54.04.75.57.07等效孔径mm0.07-0.20.07-0.20.07-0.20.07-0.20.07-0.20.07-0.20.07-0.20.07-0.20.07-0.20.07-0.28垂直渗透系数cm/s（1.0~9.9）*（0.1~0.001）9撕破强力KN>0.140.210.280.350.420.490.560.630.700.821.10)