STRENGTH. Where you need it most!
Superior leak resistance with Ultimus® Film. Now available in Mobius® single-use assemblies.
Ultimus® Film: STRENGTH AND LEAK RESISTANCE for Bioprocessing
Ultimus® Film is designed for challenging, high-value, single-use bioprocessing liquid applications. Containers and bags made with Ultimus® Film deliver:
- Increased durability for leak proof storage and transport
- A fluid contact layer free of animal origin components and Irgafos® 168 enabling healthy cell growth
- Ease of handling, flexibility and conformity for different bioprocessing demands
- The documentation and testing data to simplify integration into bioprocessing workflows
Robust Performance of Ultimus® Film.
- Woven nylon structure provides reinforced strength
- 10X* Extreme Abrasion Resistance
- 2.8X* Tensile Strength
- 2X* Reinforced Puncture Resistance
- Superior* Flex Durability
- ISTA 3E Transport Test Verified**
- Irgafos® 168 free
- Comprehensive Extractables Data
* Based on the average results of the five commercially available single-use bioprocessing films tested. Refer to TB5661EN Demonstrated Strength and Durability of Ultimus® Film Tech Brief for more information.
** ISTA 3E Transport Test Verified using Mobius® 500 L Container with Ultimus® Film in 500 L Stainless Steel Transport Bin

Ultimus® Film has extreme durability for superior strength and leak resistance
Strength and leak resistance from novel woven nylon layer
- A leak resistant outer layer
- An enhanced gas permeable layer
- A woven nylon strength layer for superior robustness and durability.
- A clean fluid contact layer to assure cell growth

The average leak cost in single-use manufacturing can range from $50-75K for (A) Buffer & media mixing & storage, up to $375K for (B) Intermediate mixing and storage, up to $415K for (C) Bioreactors and up to $560K for (D) Transport and shipping of bulk drug substance. Data is based on an independent survey conducted in 2019 worldwide.
Ultimus® Film Reduces Leaks and Improves Efficiency
Reduce inspections and maximize your efficiency with stronger, more durable solutions for your single-use manufacturing
- Prevent material loss
- Reduce assembly leak rate
- Limit inspection failures
- Minimize safety stock
- Reduce facility downtime
Learn what a stronger film can do for your single-use processes.

Mobius ® iFlex Bioreactor includes Ultimus ® Film
Transform Single-Use Fluid Management – The Science and People Behind Ultimus® Film
Related Resources
- Infographic: Prevent Costly Bag Leaks in Single-Use Manufacturing
The Ultimus® Film Difference Designed with a proprietary woven nylon structure, Ultimus® film demonstrates superior strength and resilience to protect against leaks, abrasions, tears and material fatigue.
- Technical Brief: Demonstrated Strength and Durability of Ultimus® Film
Single-use technology is used for different operations throughout biomanufacturing including mixing, storage and transportation.
- Application Note: Performance of Mobius® Bag Assemblies with Ultimus® Film in Truck Shipping Simulation Test
This application note describes the evaluation of Mobius® single-use bags made with Ultimus® film under strenuous shipping conditions. Ultimus® film.
- Specification Sheet: Ultimus® Film
Ultimus® film was designed to meet the needs of more challenging single-use applications such as large-volume liquid processing. Our Ultimus® film technology provides enhanced bag strength, improved durability and leak resistance through a novel strength layer reinforced by woven nylon.
- White Paper: Single-Use Upstream Processing: Ultimus® Film Delivers Comparable Cell Growth Performance To Glass
Single-use technologies are increasingly being incorporated into the biomanufacturing workflow to achieve greater efficiency and productivity, reduce capital investment in facilities and equipment, and minimize the risk of cross-contamination.
- Webinar: Development of an Innovative Single-Use Bioprocessing Film for Strength and Leak Resistance
In this webinar, you will learn about the challenges manufacturers face using single-use products, advancements made in single-use film technology, and the impact extractables and leachables can have on cell growth
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