Curtain coating in the slide format is being adopted increasingly by large segments of the coating industry because of its high productivity, multi-layer capabilities and robustness with respect to web disturbances. The curtain coating concept is simple enough; allow a liquid layer falling from a die edge to impinge on a moving web. However, the realisation of excellent coating quality with this method demands optimal die design coupled with precision fabrication: both are TSE's strengths.
As with all pre-metered coaters, the production of a uniformly distributed flow via the internal flow manifold requires both optimal manifold design and excellent slot depth uniformity. The curtain lip also must be designed to resist irregular wetting and other disturbances. Furthermore, lip fabrication uniformity is essential for excellent coating uniformity.
TSE has developed the essential supporting technologies and designs associated with capable curtain edge guides, coating initiation / termination functions and devices that protect the liquid curtain from the detrimental effects of air currents.
Client Success Team (CRM),
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Sincerely Packaging Labelling