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These screw caps for sample tubes with external threads are designed for the storage and transportation of biological material. Made from non-toxic polypropylene, they offer strength and clarity, reducing the risk of contamination. The polypropylene construction ensures a leakproof seal even at changing temperatures, and the super-fast thread design allows for easy removal or sealing with a single turn. Ideal for laboratories and research facilities, these screw caps are suitable for a variety of applications, including DNA and protein storage, cell culture, and pharmaceutical testing. They are available in white and can be purchased in packs of 1000.
Top product features:
Manufactured from non-toxic polypropylene for strength and clarity.
The vial has external threads which provide a smooth and uniform inner surface reducing the risk of contamination.
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.