PAPERmaking! FROM THE PUBLISHERS OF PAPER TECHNOLOGY Volume 3, Number 2, 2017
THE CARDBOARD BOX-ING MATCH Card, board and paper based products are critically dependent on vapour permeability for their strength, integrity and printability. Packaging also controls the contamination of food and pharmaceutical products. Tiny changes in composition or coatings can make a major difference to these physical characteristics. Versaperm's latest of permeability measurement system is designed to measure this, not just for coatings and materials, but also for the complete finished package. This is often critical as manufacturing processes, such as forming, folding and adhering, can change, substantially, the package's vapour permeability. The most important factor is often water vapour but the system can measure permeability for carbon dioxide, oxygen, hydrocarbons, aromatics and almost any other gas in commercial use. The system is ideal for product and coating developments as well as for quality control. The Versaperm system is fast, reliable and easy to use - producing results that are accurate in the PPM (parts per million range), PPB ranges and for some materials, and can take as little as 30 minutes. Where desired the system can produce results under environmental controlled conditions including temperature, pressure and relative humidity. Multi-chamber systems allow measurements to be produced on several samples at the same time and different designs and clamping systems cater for varying sample types. As well as manufacturing the instruments, Versaperm offers a technical consultancy plus a permeability testing service for companies. www.versaperm.co.uk
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