Treatwel Corona Treater For Films / Sheets / 3D Objects

The wax-like surface of the plastic films is normally inert towards surface coating. To enable successful printing, coating and laminating the plastic films needs to be pre-treated.

"Treatwel", the high voltage/high frequency corona treater increases surface tension of the film and makes it receptive to printing, laminating, coating by inducing molecular changes in the film.

Models are available from - 1kva to 5kva for single phase & three phase operation.

Marketing engineers making corona treators are based on latest pwm controller which offers high frequency power with pulse width modulation, power on soft start and safe shut down. Thye unique feedback system provides uniform and constant treatment under mains supply variations. The system works with utmost efficiency of about 90.

Why high frequency
in corona treatment systems at lower frequencies, it necessitates higher high tension voltage to deliver the same corona treatment power to the electrode. The higher electrode voltage translates to significantly excessive stresses on dielctric materials. Secondly, at lower frequencies, it also requires higher kva ratings. This demands to a larger system as well as bulkier high tension transformer as it has to handle the additional kva requirement. Operating at higher frequencies can have many inherent advantages as well. The tendency of web wrinkling and unwanted backside treatment gets reduced.