Extra Slow Hardener (West System)

 
209 Extra Slow Hardener, .66 Pint - West System
Your Price: $33.55
Save: $2.05
(5% Off $35.60)
Part # 209SA ValueShip™ Eligible
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209 Extra Slow Hardener, .33 Gallons - West System
Your Price: $75.17
Save: $3.04
(3% Off $78.21)
Part # 209SB ValueShip™ Eligible
SHIPS TODAY!* if ordered in 8 hrs 13 mins.
No Reviews | Write Review | Ask Question
West System

If you are in need of a hardener for general bonding, fabric application and barrier coating in extremely warm and/or humid conditions, get the West System 209 Extra Slow Hardener. This hardener is formulated to be used with West System Brand 105 Resin.

It is ideal in situations that require extended working time at room temperature. This hardener develops good physical properties and offers excellent moisture resistance for bonding and coating applications. Once cured it forms an amber colored solid.

  • Slow hardener
  • Ideal for general bonding, fabric application and barrier coating
  • Can be used in extremely warm and/or humid conditions

Features of West System 209 Extra Slow Hardener

  • Formulated to be used with West System Brand 105 Resin
  • Provides moisture resistance for bonding and coating applications
  • Cures to amber color

Specifications

Manf. Part: 209SA

  • Size: 0.66 Pint
  • 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)

Manf. Part: 209SB

  • Size: 0.33 Gallons 
  • 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)
Hardener Uses
Resin/Hardener
Hardener Temperature Range (F) Cure Speeds at 72 degrees
Pot Life: 100g cupful Working Time: thin film Cure to Solid: thin film
205 Fast Hardener General bonding, fabric application and barrier coating 45-85 degrees 9-12 min 60-70 min 6-8 hours
206 Slow Hardener General bonding, fabric application and barrier coating 60-90 degrees 20-25 min 90-110 min 10-15 hours
207 Special Clear Hardener Clear fabric application and clear coating for a natural wood finish 60-90 degrees 22-27 min 110-130 min 12-18 hours
209 Extra Slow Hardener General bonding, fabric application and barrier coating 65-100 degrees 40-50 min 3-4 hours 20-24 hours

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