West System 209 Tropical Hardener


SKU: 655-209 Category:


209 Extra Slow Hardener is formulated for use with WEST SYSTEM 105 Resin for general coating and bonding applications in extremely warm and/or humid conditions or when extended working time is desired at room temperature. Provides approximately twice the working time of 206 Slow Hardener. Forms a clear, amber-colored solid with good physical properties and moisture resistance for bonding and coating applications. Not intended for clear coating.

  • Pot life at 72’°F (22’°C): 40 to 50 minutes
  • Pot life at 95’°F (35’°C): 15 to 20 minutes
  • Cure to a solid state at 72’°F (22’°C): 20 to 24 hours
  • Cure to a solid state at 95’°F (35’°C): 6 to 8 hours
  • Cure to maximum strength at 72’°F: 4 to 9 days
  • Minimum recommended temperature: 70’°F (21’°C)
  • 105/209 Extra Slow Hardener
    Technical Data

    Hardener MSDS


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