Coating die is more robust & flexible.
Nordson EDI, Chippewa Falls, Wis., has completely re-engineered its EPC edge-bead-reducing extrusion coating die, yielding a more robust system that is even easier to operate and cuts back substantially on downtime for width changes and cleaning, the company says.
As in the past, the newest EPC die includes an external deckle as a secondary seal to prevent leakage and an internal deckle system that sets coat width and seals polymer at the die exit. Internal deckle parts provide independently adjustable components that seal off portions of the internal flow channel and can be positioned to minimize edge bead. The redesigned EPC die also offers rapid and accurate changes in width; an easily inserted scraper to remove buildup; and fast removal of the deckle system for 'split and cyan.'
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