Full Description ADOPTED_FROM:EN ISO 3452-2:2013 ISO 3452-2:2013 specifies the technical requirements and test procedures for penetrant materials for their type testing and batch testing. ISO 3452-2:2013 covers the temperature range 10 °C to 50 °C. Additional tests in ISO 3452-5:2008 or ISO 3452-6:2008 may be required outside this range. On-site control tests and methods are detailed in ISO 3452‑1:2013.