Labbox Neutral PE Test Tube Stopper for Ø13 mm test tubes
The Ø13mm neutral polyethylene test tube stopper from Astiks is a flange type stopper for sealing 13mm plastic test tubes used in routine laboratory work. This neutral polyethylene test tube stopper provides a simple closure solution for slightly larger volume test tubes commonly found in teaching and clinical-style assays.
The PE construction delivers toughness and resistance to many typical lab reagents, whilst remaining light and easy to handle. A flanged head improves grip and provides a positive stop against the tube rim, helping you achieve a consistent push fit. Neutral colour is ideal where colour coding is handled by labels or rack position rather than stopper colour. These stoppers are compatible with Astiks TUPP and TUPS plastic test tubes of 13mm diameter. Fit with other 13mm diameter test tubes must be tested before use.
Practical Applications
– Sealing 13mm tubes for routine chemistry and biology experiments
– Closing tubes during gentle mixing, centrifuge preparation or short-term storage
– Sample collection and transport within teaching or diagnostic-style labs
– Organising mid-volume samples in racks and storage boxes
– Everyday use in QC workflows using 13mm plastic tubes
Key Features
– Ø13mm flange type test tube stopper in neutral polyethylene
– Push-fit design for quick closure of 13mm plastic test tubes
– Flanged top improves grip and seating at the tube mouth
– Designed for use with Astiks 13mm plastic test tubes TUPP and TUPS
– Robust, reusable stoppers for routine laboratory tasks
Quality & Standards
– Polyethylene construction provides impact tolerance and chemical resistance
– Suitable for repeated use in education, research and routine analytical labs
– Smooth surface for easy cleaning between uses
– Intended for non-pressurised applications with 13mm plastic test tubes
Specifications
– Tube compatibility: Ø13mm plastic test tubes
– Material: Polyethylene (PE)
– Colour: Neutral
– Design: Flange type push-fit stopper
– Brand: Labbox Astiks
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