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Store and transport biological materials with confidence using these high-quality screw caps for sample tubes with external threads. Made from non-toxic polypropylene, these caps offer strength, clarity, and a smooth inner surface that reduces the risk of contamination. The screw caps feature a long skirt and super-fast thread design for easy removal and sealing with a single turn, ensuring a leakproof seal even at changing temperatures. Ideal for laboratories, research facilities, and medical institutions, these caps are available in a variety of colors and can be used with sample tubes for a wide range of biological applications.
Top product features:
The tubes have external threads which provide a smooth and uniform inner surface which reduces the risk of contamination.
The screw caps are made of polypropylene and have a polypropylene inner lip which ensures a leakproof seal even at changing temperatures.
The screw caps feature a long skirt and a super-fast thread design that allows them to be removed or sealed with a single turn.
These tubes and caps have been designed for the storage and transportation of biological material. They are manufactured from non-toxic polypropylene and offer strength and clarity. The vial has external threads which provide a smooth and uniform inner surface which reduces the risk of contamination. The screw caps are also made of polypropylene providing the same coefficient of expansion as the tubes. This along with a polypropylene inner lip ensures a leakproof seal even at changing temperatures. The caps feature a long skirt and a super-fast thread design that allows them to be removed or sealed with a single turn. The caps are available with or with out a silicone o-ring and are available in a variety of colors. Screw caps sold separately. The screw caps are also made of polypropylene providing the same coefficient of expansion as the tubes. This along with a polypropylene inner lip ensures a leakproof seal even at changing temperatures. The caps feature a long skirt and a super-fast thread design that allows them to be removed or sealed with a single turn.