ISO 8308:2015规定了两种测定液体通过软管和管壁传输的方法。这两种方法均适用于橡胶和塑料软管和管道，包括: -方法A，适用于所有软管和管道尺寸和结构:模拟工作条件的实际对比试验； -方法B，适用于内径不超过16 mm的软管和管道。

ISO 8308:2015 specifies two methods for the determination of transmission of liquids through hose and tubing walls. Both methods are applicable to rubber and plastics hose and tubing, and comprise: - method A, for all hose and tubing sizes and constructions: a practical comparative test, simulating working conditions; - method B, for hose and tubing up to 16 mm inside diameter.