FTA vs. IR in Solvent Based Printing
A leading manufacturer of flexible and rigid packaging with products for the beverage, food, pharmaceutical, personal, and homecare industries, was using infrared detectors to monitor the solvent levels in the dryers so they would maintain safety. Solvent-based inks are applied using rotogravure and flexographic printing to various substrates, including paper, plastic, film and foil. Dryers are used to evaporate off the solvents leaving the finished product. The company was having issues with the IR detector and was seeking a different technology that would offer them accurate and reliable performance and avoid unnecessary downtime.
After a thorough investigation and education of the monitoring technologies available, the company chose Control Instruments' PrevEx Flammability Analyzers.
The PrevEx analyzers offer the following advantages over the IR:
• heated sample train up to 250°C which effectively prevents condensation of high dew point vapors
• extremely short response times
• the unique ability to accurately measure most common process solvent vapors, including mixtures to within a few percent of the LFL without the need for recalibration
• rugged, industrial design and more resilient with difficult sample gases
• low maintenance and easy servicing featuring a "Service Needed" message and relay contact that anticipates the need for maintenance before faults occur
• failsafe operation
The Company has been successfully adding these analyzers in their plants worldwide.
http://www.controlinstruments.com/documents/fta-vs-ir-solvent-based-printing
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