Ardrox 9881 Hydrophilic Emulsifier Ardrox| 12504 Ardrox 9881 Hydrophilic Emulsifier Print Ardrox| 12504 Ardrox 9881 Hydrophilic Emulsifier Method D hydrophilic emulsifier designed to remove excess surface penetrant while protecting indication integrity in critical parts during penetrant inspection. Options: 9881-1: Ardrox 9881, 5gal (19L) pail. 9881: Ardrox 9881, 55gal (208L) drum. Request for information