Empire Treater Rolls of Fishers, N.Y., said tests at ExxonMobil Chemical Co.'s films facility in Macedon, N.Y., determined that Empire's design of steel treater roll coated with glass uses less power than ceramic-coated rolls.
The rolls are used to surface-treat plastic films and paper before converters print, coat or laminate the film for packaging. The tests in Macedon covered oriented polypropylene films.
The tests showed desired treatment levels could be achieved by running the glassed steel roll near its minimum power level, while ceramic rolls had to be operated at near-maximum power.
Empire said the glassed steel rolls cut annual power use 27 percent and reduced material costs .
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