209 Extra Slow Hardener

209 Extra Slow Hardener
209 Extra Slow Hardener

209 Extra Slow Hardener™ is formulated for use with WEST SYSTEM Brand 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)

 

209-SA Extra Slow Hardener
209-SA Extra Slow Hardener, 0.66 pt

209-SB Extra Slow Hardener
209-SB Extra Slow Hardener, 0.33 gal

209-SC Extra Slow Hardener
209-E Extra Slow Hardener, 1.45 gal

209-E Extra Slow Hardener
209-E Extra Slow Hardener, 17.34 gal

Storage & Shelf Life

Hardener Selection Guide

Estimating Coverage for Fabric Application

105/209 Extra Slow Hardener Technical Data (pdf)

209 Safety Data Sheet (pdf)