... quality polypropylene which have a temperature range of -80°C to 120°C.1.5ml Centrifuge Tube with screw cap, sharp bottom, ... Product Size Packing SHA33Centrifuge tube,screw linking cap,white 1.5ml500pieces/bags,28 bags/cartons SHA34centrifuge tube,screw linking ... bags/cartons SHA37centrifuge tube,screw cap,green,conical bottom 1.5ml500pieces/bags,28 bags/cartons SHA38centrifuge tube,screw cap, ...