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Special Gold coating for Sabic

gold coating seal

For Sabic, our customer in Bergen op Zoom, The Netherlands, we recently supplied a transmitter seal application with a 24 carat, 40µm layer of Gold Coating for the diaphragm seal on complete wetted parts. This gold coating makes the diaphragm seals both corrosion resistant and perfectly protected against hydrogen permeation. A gold coating of 25µm is market standard, but the 40µm thickness option is for increased lifetime and durability and often used when customers want sure! Additionally, the lower part of this seal type USL-F was equipped with a 1mm thick PTFE layer to protect the material against mechanical attack of chlorides. The suitable inert filling fluid BSO-25 meets the process temperature and pressure requirements.

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