Rhino 405 - Structural Epoxy Gel

Rhino™ 405 - A Structural Epoxy Gel that is a highly versatile, 100% solids and provides a high build system. Its wide variety of uses on concrete substrate include structural restoration, patching, and adhesive repairs. The long working life of Rhino 405 is ideal for repairing large concrete floors, and restoration of deteriorated concrete structures. Rhino 405 applications are tack free within 8 – 10 hrs, and may be recoated with a variety of Rhino Epoxy products at that time.

Features and Benefits

  • Easy to use 2:1 by volume mixing
  • High build (up to 1" on vertical surfaces)
  • Adhesive “tack coat” for saturated carbon or e-glass laminates
  • Long working time of >60 minutes
  • Easy to mix, moisture tolerant, excellent chemical resistance, and 100% solids for the widest variety of concrete substrate repair applications


  • Chemical and moisture resistance makes Rhino 405 ideal for wastewater applications
  • Patching “bug holes” and cracks on large floor areas or other concrete structures
  • Concrete spall repair
  • Gap filler, may be used like “Bondo”

Application Properties

Coverage Rate Varies, and range from 10 mils to 500 mils
Solids by Volume 100%
Mixed Viscosity Highly thixotropic paste for vertical use
Working Time 60-90 minutes
Tack Free Time 8-10 hrs
Walk-on Time 16-24 hrs after application
Cure Time (Return to Service 24-36 hrs


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    Rhino 405 Structural Epoxy Gel