Page 2 - Web and Label Treating

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Narrow Web and Label Corona Treating Station
The purpose of corona surface treatment of polymer based materials is to
increase surface wettability through electrical discharge. The low surface
energy of polymer based substrates often leads to poor adhesion of inks,
glues and coatings. To obtain optimum adhesion it is necessary to increase
the surface energy of the substrate to just above that of the material to be
applied. Surface treatment with corona results in good wetting of the
material over the surface of the substrate and so improves adhesion.
This type of corona treating system can be supplied to treat either one or
both sides of the web and can accommodate widths from 10 to 500mm
running at production speeds of up to 150m/min. The narrow web corona
treater is designed for the pre-treatment of conductive and non-conductive
narrow webs.
Advantages
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Compact design & construction.
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Easily ftted to new or existing production lines or presses.
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Ceramic electrode elements for uniform surface treatment.
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Good accessibility for initial web thread-up.
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Interchangeable electrode system.
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Available for single and double sided treatment.
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Idler rollers included.
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Stainless steel backing roller.
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All units conform to CE regulations and carry CE mark.
Standard mountings available for most narrow web presses.
Our very compact narrow web treater combines simple operation with
superb performance. The high voltage transformer is mounted directly on to
the treating station, completely removing the need for trailing high voltage
cables.
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Treatment widths from 10mm to 500mm.
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Electrode systems for either conductive or non-conductive materials.
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Single or double side treatment in a single pass.
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Run from standard 240Volt,13Amp socket outlet.