MYCAP® Bottle Closures

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MYCAP® Bottle Closure Family - Aseptic Transfer System

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.

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Explore MYCAP® Unique Technologies

A MYCAP® for Any Application

Cell Culture Expansion

Bring good aseptic technique to cell expansion. Passage and expand cultures without opening flasks, without going into the BSC, without contamination.

Learn more about MYCAP CCX

Sterile Media Fill & Storage

MYCAP® inlet line include 0.2µm sterilizing grade filter for simple, one-step media operations.

Download Datasheet: Manifold Assemblies

Download Datasheet: Single Bottle Assembliies

General Use & Storage

Available on huge array and variety of bottle types and sizes. There is a MYCAP® solution anywhere you use a bottle

Download Datasheet: Bottle Assemblies

Download Datasheet: Centrifuge Tubes

MYCAP® for Glassware

Available for all common glassware closures including GL25, GL32, GL45, etc. Ideal solution for Bioreactor Feeds and reusable container applications

Download Datasheet: Bottle Closures

Sampling Manifolds

Don’t compromise with your samples. MYCAP® allows you to collect, handle and analyze your samples aseptically. Select the container or blend of containers you need to make your sample collection reliable and safe.

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Drug Substance and Drug Storage

MYCAP®’s reliable, high performance seal make it ideal for applications where container closure is priority #1. MYCAP® is available on larger carboys and bottles designed for freezing applications

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Custom Designs & Engineered Solutions

Put our designers and engineering teams to work. Design your own from our diverse portfolio of parts or let us help you solve your problem.

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Unique Technology to Enhance your Operations

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.

MYCAP Validation Guide

High Performance Closure

MYCAP has low stress-to-seal thanks to outstanding compression set and low creep properties.

MYCAP Validation Guide

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

MYCAP® Specifications

Protect from Product Loss

Purpose built dip tube tip prevents suction during fluid removal. The subtle saddle shape ensures fluid removal down to the very last drop.

Direction Where you Need It

Elegantly simple design and yet remarkably effective to keep fluid inlet where its needed or dip tubes away from accessories in the bottle with the Z-Flex Articulator.

Aseptic Disconnection can’t get Simpler

…more or reliable. Cut the collar to make the disconnection and seal in one simple step.

Download Product Datasheet

QUICKSEAL Validation Guide

USP 87, USP 88


USP 788


USP 85


USP 661


USP 381




Microbial Container Closure


Sterility (ISO11137-2)




Leak Testing

Lot Release

Shelf Life

2 Years

Tubing Materials

Silicone, TPE (eg, C-Flex®)

Specification are not inclusive of tubing, container or fittings. Consult Validation Guide for current material validation and testing.

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