1. This product adopts the high polymer material of medical use to make , pass the oxygen ethane gas sterilization of the ring , it is aseptic , does not have and hot and original , there is no haemolysis to react.
2. The connection among every package of blood transfusion device should be able to bear and is not smaller than resisting strength quietly of 15N not including protecting set, lasting 15S.
3. The tube made of light quality material is even , transparent enough in plastification, when it is passed that there are bubbles, with normal correcting eyesight can find water and the boundary of air.
4. The hose wall is not smaller than 0 originally. 6mm, the external diameter is not smaller than 4 . 2mm.