TPP cryo tubes made of polypropylene (PP) with external thread and star foot are designed for storage of biological material and samples down to -196°C. The screw caps with external thread reduce the risk of contamination and cross-contamination During storage build up of stress on the product can happen. The TPP design as well as the high grade material ensures safe handling during and after the unfreezing process. Features of the cryo tubes: - With the geometry of the external thread, TPP can abstain from using a silicone gasket, enabling the secure and tight closure of the tube - The external threading results in a smooth internal surface that eliminates undue loss of specimen material during removal. - Colour-coding inserts in a range of colours offer a convenient marking and identification - Supplied in convenient, puncture and tear resistant re-closable bags with zipper and laser perforation - Self-standing - Star foot - Graduated with large writing surface
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