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DesoGel® EAP-9

DesoGel® EAP-9 provides an effective, easy to apply alternative to traditional chromated conversion coatings. EAP-9 dries to a thin, clear, durable coating that provides protection to the metal and adhesion to the organic coating. It is a dry in place application method eliminates two concerns of chromated solutions: exposure to hexavalent chromium and production of large volumes of contaminated rinse water. EAP-9 has proven to virtually eliminate rivet rash and adhesion issues when used as recommended. EAP-9 is the recommended adhesion promoter for use under Desothane® CA 7700 series, CA 7502 and CA 7502E primers.


  • Clear, slightly cloudy liquid
  • Slight odor
  • 3.5 - 4.0 pH (mixed)
  • Specific Gravity of 1.0
  • Vapor Pressure <1 mm/HG
  • VOC under 20 grams per liter
  • No Flashpoint
  • 12 Month Shelf Life (BMS & DeSoto® standard)


  • AMS 3095
  • BMS 10-128 - Type I Class A Grade A - BOEING
  • CMS-CT-401 - Type I Class A - COMAC
  • MIL-PRF-32239 - Type 2 Class 1 Grade 1 - NAVAIR