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Product range // Silicone Sleeve & Dielectric Coatings // ST42 Roll Coating
ST42 is an alumina/titanium conductive ceramic coating applied to base rolls for use in applications where conductive materials are being treated. Its main advantages over bare roll corona treaters is improved corrosion resistance against ozone, durability of the roll and treatment enhancement., sometimes referred to as high definition corona.
ST42 coating is especially recommended where treatment of various widths is being considered, as it will protect the roll from the direct corona discharge from the ceramic electrodes. This protection will aide in the prevention of oxides on the aluminium roller and therefore help maintain a constant air gap between the electrode and the film surface.