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Nypass will hinder or slow down reactions between oil compounds and the copper surfaces in transformers and will thereby reduce the risk for formation of conducting compounds.
Addition of metal passivator is recommended by maintenance guide IEC 60422 edition 4. This mitigation technique has been used with good results against formation of potentially corrosive sulfur. Typically 100 mg/kg (0.01 % by weight) of this substance is added to inhibit the reactions of copper with corrosive sulfur.
You are looking at the world's widest range of transformer oils – developed to handle just about every conceivable climate, design and operating condition.
Here you will find a selection of Nynas Transformer oils based on their key characteristics, including viscosity. For more information on each product, simply download the relevant Product and Safety Data Sheets. See all products