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Showa Ripoxy R-806DAEX Epoxy Vinyl Ester Resin Primer (Japan)

2024-04-22r-806da

1. Introduction: Ripoxy R-806DA is a primer for steel. Selecting the appropriate primer is critical to the success of an FRP lining. Ripoxy R-806DA was developed based on our research and track record.

2. Liquid Resin

  • Product Model: R-806DA EX
  • Color (Gardner): Less than 8
  • Viscosity (dPa·s at 25°C): 0.5 to 1.5
  • Curing Properties (25°C)
    • Gel time: 15–22 minutes
  • Shelf Life: 3 months
  • Application Temperature: Not to exceed 90°C
  • Suitable for steel and FRP
  • Catalyst: MEKPO 1.5 parts
  • Accelerator EX: 0.5 parts

Curing Properties

  • Temperature MEKPO Accelerator EX Gel Time
  • 25°C 1.5 parts 1.2 parts 0.5 parts 15–22 minutes
  • 30°C 1.2 parts 1.0 parts 0.3 parts 20–30 minutes
  • 35°C 1.0 parts 1.0 parts 0.3 parts 15–25 minutes

Accelerator EX: Manufactured by Showa Polymer Co., Ltd.

3. Adhesion Strength

  • Tensile Shear Adhesion Strength
    • Material R-806DA EX
    • Steel-to-steel (SS-41) 1610 MPa
    • FRP-FRP 1120 MPa

Tensile-Shear Adhesion Strength (Steel-Steel)

  • Temperature (°C) Strength (kg/cm²)

Note: The property values shown in this manual are measured values and do not represent guaranteed values. Please ensure this product is suitable for the intended application before use.

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