Labbox Neutral PE Test Tube Stopper for Ø16 mm test tubes
The Ø16mm neutral polyethylene test tube stopper from Astiks is a flange type stopper for sealing larger 16mm plastic test tubes used for higher volume samples. This neutral polyethylene test tube stopper provides a robust closure for general purpose tubes in chemistry, biology and teaching labs.
Constructed from polyethylene, the stopper offers durability and resistance to many routine laboratory chemicals, even when tubes are handled frequently. The broader flanged head gives a secure grip and a reliable stop on the rim of the larger tube, supporting firm push-fit closure without tools. Neutral colour is well suited to workflows where tube labels or rack positions carry the identification rather than closure colour. These stoppers are compatible with Astiks TUPP and TUPS 16mm plastic test tubes. These stoppers fit Astiks TUPP and TUPS 13mm plastic test tubes. Fit with other 16mm diameter test tubes must be tested before use.
Practical Applications
– Sealing 16mm tubes used for culture media, reaction mixtures or sample aliquots
– Closing tubes for mixing, incubation or short term refrigerated storage
– Sample transport between benches, incubators and cold rooms
– Routine QC and production support testing using larger volume tubes
– Teaching experiments requiring robust, easy to handle closures
Key Features
– Ø16mm flange type neutral polyethylene test tube stopper
– Push-fit design suitable for high-volume 16mm plastic test tubes
– Wide flanged top for good grip and positive seating at the tube mouth
– Designed for use with Astiks 16mm plastic test tubes TUPP and TUPS
– Reusable stopper offering straightforward closure for larger tubes
Quality & Standards
– Polyethylene construction for toughness and resistance to many laboratory reagents
– Designed for repeated use in education, research and routine analytical labs
– Smooth surfaces to aid cleaning and reduce wear on tube rims
– Intended for non-pressurised use with 16mm plastic test tubes
Specifications
– Tube compatibility: Ø16mm plastic test tubes
– Material: Polyethylene (PE)
– Colour: Neutral
– Design: Flange type push-fit stopper
– Brand: Labbox Astiks
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