Mycap® Bottle Closures and Assemblies

One-piece, ready-to-use and single-use aseptic fluid transfer system for bottles.

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Products (21)

Sartorius' Mycap® Bottle Closures make aseptic fluid transfer into and out of bottles simple and reliable.

Ready To Use

Mycap® is preassembled, ready to use and single-use. Integral tubing with useful connection options makes aseptic fluid handling in bottles simple. Save time and improve process by skipping cleaning and assembly.

Universal Closure

All Mycap® have our robust, plasticizer-free platinum-cured silicone seal. Silicone is well recognized as the high-performance closure resin preventing contaminants from getting in and maintaining a microbial barrier across a wide temperature range including autoclave. Mycap® feature the same seal regardless of bottle type, tubing size, tubing type or port configuration making it simple to validate one and use Mycap® anywhere in your drug production process—Mycap® is the first universal closure system.


  • Application Area
    Aseptic sampling  
  • Process Step
    • Cell Harvest & Downstream Processing Intermediates  
    • Drug Substance Purification  
    • Drug Product Formulation  
    • Buffer Preparation  
    • Media Preparation  

Product Information

  • Brand
Manually Operated Quickseal® Cutting Tool (pack size: 1)

The Quickseal® cutting tools were designed for single-person operation with reliability, simplicity, and portability in mind.

  • The manually operated tool works on tubing up to 1/4" (6.4 mm) outer diameter
  • The battery-operated tool works on tubing up to 1.125" (28.6 mm) outer diameter

Quickseal® Protective Silicone Cap 1/4" (6.4mm)
Qty. Graduation
Item no.


The Quickseal® protective caps can be installed after collars are cut. The caps are made from flexible and durable silicone. They are suitable for a wide range of temperatures.

Web prices – only available through online purchase