209 Extra Slow Hardener by West System

6 Easy Tips for Mixing WEST SYSTEM Epoxy

209 Extra Slow Hardener by West System

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.

Documents

105/209 Technical Data Sheet Safety Data Sheet Fiberglass Boat Repair & Maintenance Final Fairing & Finishing Vaccuum Bagging Techniques Gelcoat Blisters Diagnosis, Repair & Prevention Thinning West System Epoxy

Variants

315 ml (Group Size A) 209-SA	$69.95	In stock
1.24 L (Group Size B) 209-SB	$145.00	In stock

Specifications

Classification	Epoxy Resins for Wood
Brand	West System
Sizes	315 ml (Group Size A) 1.24 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.
Coverage	Porous surfaces: 75 to 90 sq ft / L Non porous surfaces: 100 to 115 sq ft / L Coating Coverage Chart
Origin	USA
Mix Ratio	3 parts resin : 1 part hardener
Working Temperature	Min. recommended temp.: 70°F (21°C)