SIG Resin Hardner
The catalyst for Sig Polyester Glass Resin and Finishing Resin. These resins will not cure unless Resin Hardner is added! Follow mixing directions on resin can.

Get the 1/2 oz. bottle of hardener for the 8 oz. or pint sizes of resin. Use the 1 oz. bottle of hardener for quart sizes or if you are getting both types of resin.

For more information and option to buy link to: