Aseptic Transfer System
Mycap® Bottle Closure Family
Mycap® closures are a one-piece, ready-to-use, and single-use aseptic fluid transfer system for bottles.
Remarkably, every Mycap® design features our secure platinum-cured silicone seal, despite a diverse range of capabilities and configurations. Mycap® is the first truly universal closure system. Mycap® expands capabilities, removes uncertainty, and eases validation.
Explore Mycap® Unique Technologies

Platform Technology
Since all Mycap® feature the same platinum-cured silicone closure regardless of the bottle type or cap specifications you can validate Mycap® closure once and use it freely across the entire drug production process regardless of the application.
High Performance Closure
Mycap® has low stress-to-seal thanks to outstanding compression set and low creep properties.
Application Friendly Resins
Mycap® silicone closure is plasticizer free, stabilizer free and has no anti-oxidants
Suitable for use from -65°C to 175°C make it an ideal closure for most biopharmaceutical applications.
Aseptic Disconnection Can’t Get Simpler
…more or reliable. Cut the collar to make the disconnection and seal in one simple step.
USP 87, USP 88 | Pass |
USP 788 | Pass |
USP 85 | Pass |
USP 661 | Pass |
USP 381 | Pass |
21CFR177.2600 | Pass |
Microbial Container Closure | Pass |
Sterility (ISO11137-2) | Pass |
Autoclavable | Yes |
Leak Testing | Lot Release |
Shelf Life | 2 Years |
Tubing Materials | Silicone, TPE (eg, C-Flex®) |
Specifications are not inclusive of tubing, container, or fittings. Consult Validation Guide for current material validation and testing.