Materials：Polypropylene：applications in the pharmaceutical，medical Device，laboratory and diagnostics.Cryo Vial is normally used for store biological samples at temperature as low as -190C.The external cap has a molded – in sealing ring which assures a tight， leakproof seal.Conical bottom with slotted skirt.a large white marking area.For us in vapor phase of liquid nitrogen.DNase/RNase free，Pyrogen safe.Re-closable ziplock pack for non-sterilze and pre-sterilized by gamma ray.
