Bio Plas Uni-Flex® Safety Cap Tube Closure Flexible Plastic Over-Locking Blue 13 mm For 13 mm Culture Tubes NonSterile

Uni-Flex® Safety Cap Tube Closure Flexible Plastic Over-Locking Blue 13 mm For 13 mm Culture Tubes NonSterile

Uni-Flex Safety Cap tube closures are flexible plastic caps for 13 mm culture tubes. They are a practical choice for laboratory workflows where a liquid-tight seal, spill prevention, and sample integrity matter. This blue, nonsterile over-locking cap is made to fit over the outside of the tube lip and can be written on with indelible ink.

Good Fit For

• Laboratory sample handling with 13 mm culture tubes
• Workflows that involve centrifugation, agitation, refrigeration, or freezing
• Serum sample transport or storage where spill prevention matters
• Labs that need write-on tube caps for quick identification

Key Features

• Fits 13 mm culture tubes for size-specific tube closure needs
• Over-locking design grips the outside of the tube lip for a secure hold
• Liquid-tight seal helps maintain sample integrity and reduce spillage
• Made to hold under centrifugation, agitation, refrigeration, and freezing
• Blue cap surface can be marked with indelible ink for identification
• Flexible plastic construction supports stretchable fit and handling

Applications and Usage

• Closing 13 mm culture tubes during routine laboratory processing
• Helping reduce evaporation during sample storage
• Maintaining closure during centrifugation and agitation steps
• Securing tubes placed in refrigerated or frozen storage
• Labeling capped tubes directly with indelible ink

Packaging and Handling

• Packaging: CS.
• Size: 13 mm.
• Material: Plastic.
• Sterility: Nonsterile.
• Choose this cap only for 13 mm culture tubes.
• This cap is nonsterile, so it may not suit workflows that require sterile components.
• The write-on surface is intended for indelible ink.

FAQ

• Will this cap fit any tube size? No. This tube closure is intended for 13 mm culture tubes.
• Can the cap stay on during centrifugation or agitation? Yes. The cap is designed to hold under centrifugation and agitation.
• Is this cap suitable for cold storage? Yes. The cap is designed to hold during refrigeration and freezing.
• Can staff label the cap directly? Yes. You can write directly on the cap with indelible ink.
• Is this tube closure sterile? No. This cap is nonsterile.

From Uni-Flex Safety Cap by Bio Plas.