This part of ISO 3452 specifies the testing requirements particular to applications at low temperatures (lower than + 10 °C) as well as 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.
GSO ISO 3452-6:2013 history
2013GSO ISO 3452-6:2013 Non-destructive testing -- Penetrant testing -- Part 6: Penetrant testing at temperatures lower than 10 degrees C