Injectable Butyl Septum for PP28 Thread
Injectable Butyl Septum for PP28 Bottles Butyl septum designed for use with PP28 aluminium screw caps. Penetrable by hypodermic needle and self-sealing after puncture, it ensures controlled access to the bottle contents without compromising the integrity of the seal.
The butyl septum is an elastic sealing component designed to work in combination with PP28 aluminium screw caps. Its primary function is to allow liquid extraction or injection via hypodermic needle without opening the bottle, maintaining the internal conditions of the container at all times.
Made from butyl, a material with high chemical resistance and excellent elasticity, the septum returns to its original shape after each puncture thanks to its self-sealing properties. This makes it an ideal solution for repeated use with air-sensitive samples, volatile solvents, or any substance requiring a hermetic and controlled environment.
Its geometry is optimised to fit precisely into the aluminium cap with hole, ensuring stable retention and effective sealing throughout the product's service life.
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