D106 Non-Aqueous Developer consists of refined white particles suspended in acetone to give enhanced sensitivity for locating tight, incipient flaws; by solvent and capillary action, it pulls flaw-entrapped penetrant to part surfaces for display against a white background.
Approved for use with: All fluorescent and visible penetrants
Penetrant System Category
Developer Type Non-Aqueous Form D & E – Visible & Fluorescent
QPL SAE AMS 2644 Method Form D, Form E
ASTM E1417, E165