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Petroleum products -- Corrosiveness to copper -- Copper strip test
This International Standard specifies a method for the determination of the corrosiveness to copper of liquid petroleum products and certain solvents. Volatile products, having a maximum vapour pressure of 124 kPa at 37,8 °C are included.
Volatile products with a vapour pressure above 124 kPa at 37,8 °C should be tested according to ISO 6251 (see caution below). Electrical insulating oils should be tested according to ISO 5662.
Some products, particularly natural gasolines, may have a significantly higher vapour pressure than is characteristic for their class, even if below 124 kPa at 37,8 °C. For this reason, extreme caution should be exercised to ensure that the pressure vessel containing such material is not placed in a bath at 100 °C. Such samples may develop sufficient pressure at 100 °C to rupture the pressure vessel and cause damage and/or injury.
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