... remarks, sterilized by Gamma. Detailed Description of 50ml conical centrifuge tube:Centrifuge tube is made of medical grade polypropyleneConical tube is available ... identification,Sterilized by Gamma radiation, and Non-pyrogenic,Centrifuge tubes lids are Leak-proof,Centrifuge tubes are graduated25 pcs/bag, 500 pcs ... , sterile >9400G 25 pcs/stand, 500pcs/ctn. WHB 50ML Conical Centrifuge Tube