Gravimetric Permeability Measurements
 
InstrumentstestingSensorsGasses and vapoursConsultancy

 

About Versaperm

Versaperm manufactures gas permeability testing equipment, offers a comprehensive permeability testing service and a materials consultancy. These are used to measure gas permeability and leakage, important in medical and pharmaceutical packaging, foils and films, coatings, food and confectionery packaging and contents, and many other applications.

Instruments

Versaperm designs and manufactures instruments to meet each customer’s needs. Instruments are typically be based on a modular MkVI design.

Testing Service


Our laboratory testing service has over 30 years experience to enable us to choose the best technique to measure your sample's permeability both quickly and accurately.

 

Sensors

Our diverse and growing range of sensors are based on fundamentally different and divergent physical principals. The choice of the right sensor for an application is critical in the successful deployment of the equipment. We are not tied to a sensor manufacturer.

Gases / Vapours

At Versaperm we can measure the permeability for almost any gas / vapour including water vapour, Oxygen, CO2 Hydrogen, Helium, Nitrogen and Hydrocarbons.

Applications

Consultancy

Our Consultancy division combines our theoretical and practical Permeability skills in instrument design and manufacture. Permeability Consultancy

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Gravimetric Permeability Measurements

In some applications, permeability measurements have to be produced gravimetrically - some formal standards demand this. Our Gravimetric permeability measurement system is designed to meet this need and is designed around a high quality solid acrylic water bath which reduces critical thermal losses.

For example, the instrument on the right involves a specialised acrylic water bath explicitly designed to comply with textiles standard ISO15496. This method is used for measuring water vapour permeability of permeable fabrics, and represents an alternative to instrumental techniques.

 Gravimetric Permeability measurement ISO15496

The accuracy of gravimetric testing is a function of time and partially a function of the care taken in preparing the samples. To improve this process we produce cups for gravimetric measurements. These are made from stainless steel or anodized aluminium and are sealed using finger screws, simplifying sample preparation and eliminating wax sealing. For instances where the method demands wax sealing, we sell a grade of wax that provides an excellent water vapour barrier (see consumables).

This equipment provides the ability to perform breathability testing on fabrics and textiles such as Gore-TexTM.

 

 

 

Versaperm Limited
10 Rawcliffe House, Howarth Road, Maidenhead, Berkshire, SL6 1AP, UK, Tel: +44 1628 777668
e.mail: webcontact@versaperm.com
© Versaperm Limited 2010