YBB 00242004-2015 Combinational Closures of PP for Plastic Infusion Containers (with ring-pull)
This standard applies to polypropylene composite caps for plastic infusion containers. The composite caps consist of a pull-ring-style outer cap (mainly made of polypropylene), an inner cap (mainly made of polypropylene), and a gasket. The polyisoprene gasket in the composite cap should comply with the requirements of the Pharmaceutical Synthetic Polyisoprene Gasket (YBB00232004-2015).