4202S Polypropylene Conical 1.5mL Cryogenic Microcentrifuge Tube, with Attached Screw Caps, Sterile, Non-Skirted (Pack of 500)

These 1.5mL sterile, cryogenic microcentrifuge tubes are designed for biological fluids stored in liquid nitrogen vapor. Made from polypropylene and are ideal for specimens and cell cultures. They are leakproof, inert, non-pyrogenic and virtually unbreakable. External threads minimize loss or contamination of valuable or hazardous samples. Screw cap has an internal O-ring for leakproof processing and storage. For use in microcentrifuges with fixed-angle heads. Gamma radiation sterilized. Tubes withstand over 30,000g. Caps included. Color: Natural. Bio Plas #: 4202S.

• Sample integrity: sterilized by gamma radiation; non-toxic and non-pyrogenic
• Microcentrifuge tube screw caps with internal O-ring forms a leak proof seal during processing and storage
• Designed for safe storage of cells or biological fluids in the vapor phase of liquid nitrogen or any mechanical freezer
• External cap threads of these microcentrifuge tubes prevent leaking even under air pressure changes of air shipping
• Bio Plas part number: 4202S