WEST SYSTEM® 207 Special Clear Hardener®

Blush-free 207 Special Clear Hardener® was developed for coating and fiberglass cloth application where an exceptionally clear, moisture-resistant, carbon fiber or natural wood finish is desired. 207 Special Clear Hardener will not blush or turn cloudy in humid conditions. Thin film applications roll out and tip off smoothly, requiring less sanding in preparation for finish coatings.
 
Mix Ratio: 3 parts resin : 1 part hardener
Pot life at 72°F (22°C): 20 to 26 minutes
Cure to a solid state: 10 to 15 hours
Cure to maximum strength: 7 days Minimum recommended temperature: 60°F (16°C)
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