UK: VERSAPERM has upgraded its VTR (Vapour Transition Rate) meter. The new upgrade can be configured to measure permeability for water as well as a wide range of other gases such as Oxygen, Nitrogen, CO2 and hydrocarbons. The meter can consistently measure the permeability of packaging or coatings, sometimes in as little as 30 minutes.

Accuracies are in the PPM range for most gases and the PPB range for others. The Versaperm permeability meter’s automated computerised control makes it simple to use and allows it to measure several samples at a time. A sample testing service is also available from the company – usually with a 24-hour turnaround. Plastics and coated paper are among the most widely used packaging materials in the world. And by far the most important factor in controlling the handling, sealing, quality and printing characteristics is permeability, says Versaperm.

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