105 Epoxy Resin & 209 Extra Slow Hardener Kit by West System

from $102.90
Free Delivery
Quebec, Ontario · More info

209 Extra Slow Hardener is formulated 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.

105/209 forms a high-strength, moisture-resistant solid with excellent bonding and barrier coating properties.

Not intended for clear coating, use 207 Special Clear Hardener instead.


1.26 L (Group Size A) · No Pumps
$102.90 In stock
1.26 L (Group Size A) · With pumps
$127.85 In stock
4.98 L (Group Size B) · No Pumps
$245.90 In stock
4.98 L (Group Size B) · With pumps
$270.85 In stock


Classification Epoxy Resins for Wood
Brand West System
  • 1.26 L (Group Size A)
  • 4.98 L (Group Size B)
Sold Since December 9, 2020
Drying Time
  • Pot life: 40 to 50 minutes
  • Working time: 3 to 4 hrs
  • Cure to a solid state: 20 to 24 hrs
  • Cure to working strength: 4 to 9 days

Epoxy cures faster in warmer temperatures and in thicker applications. It also cures slower in cooler temperatures and in thinner applications.

  • Porous surfaces: 75 to 90 sq ft / L
  • Non porous surfaces: 100 to 115 sq ft / L

Coating Coverage Chart



Mix Ratio

3 parts resin : 1 part hardener

Working Temperature

Min. recommended temp.: 70°F (21°C)

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