This part of ISO 3452 specifies the testing requirements particular to applications at higher temperatures (over 50 °C) and also the method for qualification of suitable testing products. It applies only to materials qualified for the relevant temperature range used in accordance with the manufacturer's instructions.
DS/EN ISO 3452-5:2009 history
2009DS/EN ISO 3452-5:2009 Non-destructive testing - Penetrant testing - Part 5: Penetrant testing at temperatures higher than 50 degrees C