With filtration fineness of 60 µm, self-cleaning ECO melt filters by Ettlinger, Königsbrunn, Germany, part of Maag and Dover, Downers Grove, Illinois, are designed to facilitate treating recycled material for use in the film, packaging tape
The core component of the ECO filter is a rotating, cylindrical steel screen with millions of conical holes drilled by laser, Ettlinger says. When melt flows through this screen from the outside to the inside, any contaminants are retained on the surface and continuously removed by a scraper.
Ettlinger says its filter screens feature laser-drilled
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