Orange Colour Contrast ECO Penetrant 4103 – Type III – is a water or liquid solvent washable, almost odourless red colour contrast penetrant. Visible under UV-A light (Type III, Method A&C). Sulfur and halogen content: complies with the requirements of EN ISO 3452:2014. Also complies with the requirements of EN ISO 3452:2014, ASTM E-165 und ASTM D-516.