West System 207 Special Clear Hardener was formulated for coating and fiberglass cloth applications where an exceptionally clear, moisture-resistant, natural wood finish is desired. West System 207 Hardener will not blush or turn cloudy in humid conditions.  When combined West System 105/207 Epoxy has strong physical properties and can be used as a structural adhesive for gluing and laminating. West System 207 Special Clear Hardener has an ultraviolet inhibitor that helps provide a beautiful, long-lasting finish when used with a quality UV filtering varnish. 

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: 4 to 7 days
Minimum recommended temperature: 60°F (16°C)