... "disposable anaesthetic puncture bag"Biological properties:Biocompatibility GB/T 16886.1 requirements, non-toxic, no heat, no hemolysis ... (note: after sterilization, asepsis)Physical properties:1.tapered joint: 1962.1 GB/T, GB/T 1962.2 requirements.2.filtered rate: ... Mpa liquid pressure, 15 S should percolationlessChemical properties:1.reduction of material inspection and blank liquid, potassium ...