Stoppers for Test Tubes
Overview
Ratiolab test tube stoppers are polyethylene closures designed for sealing compatible laboratory test tubes. The range includes multiple diameter and colour variants to suit different tube sizes and identification requirements. All variants share the same basic stopper geometry.
Highlights
- Manufactured from polyethylene (PE)
- Multiple diameter options available
- Colour-coded variants
- Designed for sealing test tubes
At-a-glance
- Product type
- Test tube stoppers
- Material
- Polyethylene (PE)
- Manufacturer
- Ratiolab
- Condition
- New / Unused
| SKU | Diameter range | Colour | Material |
|---|---|---|---|
| 3914900 | 16–17 mm | Natural | PE |
| 351490R | 11–12 mm | Red | PE |
| 391490Y | 16–17 mm | Yellow | PE |
Applications
These stoppers are used to seal test tubes during sample handling and short-term containment in laboratory environments.
Sustainability
By rehoming surplus lab products, this listing supports waste reduction and resource efficiency.

