Labbox Natural PP Stopper for Ø16mm Test Tubes
The Ø16mm neutral polypropylene (PP) test tube stopper from Labbox is a reusable PP test tube stopper for sealing 16mm glass test tubes used in everyday laboratory work. This neutral polypropylene test tube stopper provides a straightforward closure option where colour coding is handled by labels or rack position.
Polypropylene gives a good balance of toughness and chemical resistance, making the stopper suitable for repeated opening and closing in teaching and QC environments. It can be autoclaved at 121 °C together with compatible glass tubes, supporting sterile or aseptic workflows. The push-fit design forms a reliable seal whilst still allowing quick removal by hand, which is useful when you are handling many tubes in sequence. Supplied individually, it is ideal for topping up racks or replacing single stoppers.
Practical Applications
– Sealing Ø16mm glass test tubes for incubation, storage or transport in racks
– Closing tubes during routine assays, buffer preparation or sample handling
– Use in teaching laboratories where a neutral closure is preferred
– Organising QC samples, calibration standards or trial batches in 16mm tubes
– Replacing lost or damaged stoppers in existing glass test tube sets
Key Features
– Neutral polypropylene test tube stopper for Ø16mm glass test tubes
– Push-fit closure that seats securely yet removes easily
– Resistant to many common laboratory chemicals
– Autoclavable at 121 °C for repeated sterile use
– Supplied individually to match specific requirements
Quality & Standards
– Made from polypropylene for long lasting, impact tolerant performance
– Designed for repeated use in education, research and routine analytical labs
– Smooth internal and external surfaces for easy cleaning and inspection
– Intended for non-pressurised use with standard 16mm glass test tubes
Specifications
– Tube compatibility: Ø16mm glass test tubes
– Material: Polypropylene (PP)
– Colour: Neutral
– Design: Push-fit test tube stopper
– Autoclavable: Yes, at 121 °C
– Brand: Labbox Astiks
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