Bio Plas Uni-Flex® Safety Cap Tube Closure Flexible Plastic Over-Locking Yellow 13 mm For 13 mm Culture Tubes NonSterile, 10/CS

Uni-Flex® Safety Cap Tube Closure Flexible Plastic Over-Locking Yellow 13 mm For 13 mm Culture Tubes NonSterile, 10/CS

Uni-Flex Safety Cap tube closures are flexible plastic caps for 13 mm culture tubes. They are a practical choice for laboratory workflows where buyers want a liquid-tight seal to help protect sample integrity, reduce spillage, and limit evaporation. This yellow, nonsterile cap uses an over-locking design that stretches over the outside of the tube lip and is made to hold during centrifugation, agitation, refrigeration, and freezing.

Good Fit For

• Laboratory sample handling with 13 mm culture tubes
• Workflows that involve centrifugation, agitation, refrigeration, or freezing
• Serum sample handling where spill prevention matters

Key Features

• Fits 13 mm culture tubes for a specific tube size match
• Flexible plastic construction stretches into place for secure closure
• Liquid-tight seal helps protect sample integrity and prevent spillage
• Over-locking design locks onto the outside of the tube lip to help reduce evaporation
• Built to hold under centrifugation, agitation, refrigeration, and freezing
• Cap surface can be marked directly with indelible ink for sample identification

Applications and Usage

• Closing 13 mm culture tubes during sample storage
• Securing tubes before centrifugation or agitation
• Reducing evaporation during refrigerated or frozen sample holding
• Marking tube caps with indelible ink for identification

Packaging and Handling

• Packaging: CS.
• Size: 13 mm.
• Material: Plastic.
• Sterility: Nonsterile.
• Sized specifically for 13 mm culture tubes, so tube size match is important
• This cap is nonsterile and may not fit workflows that require sterile components
• Indelible ink is needed if you plan to write directly on the cap

FAQ

• Will this cap fit any culture tube? No. This Uni-Flex Safety Cap is made for 13 mm culture tubes, so buyers should confirm tube size before ordering.
• How does the cap stay in place on the tube? The cap uses a stretchable over-locking design that locks onto the outside of the tube lip for a secure closure.
• Can this cap be used during centrifugation or cold storage? Yes. The cap is designed to hold under centrifugation, agitation, refrigeration, and freezing.
• Can staff label the cap directly? Yes. The cap can be written on directly with indelible ink.
• Is this cap sterile? No. This tube closure is nonsterile.

From Uni-Flex Safety Cap by Bio Plas.