GB/T 23227-2018

Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeability — Determination of air permeability

卷烟纸、成形纸、接装纸、具有间断或连续透气区的材料以及具有不同透气带的材料 透气度的测定