Premium Polyester Resin w/Hardener for Laminating Fiberglass mat

Our polyester resin is a Iso blend resin, this is a perfect no-run, no-sag resin for marine repairs and boat construction. Iso resin is more flexible and waterproof then your traditional 100% polyester resin. Good for repairing all boat surfaces. It is mixed with MEKP catalyst to harden. Used By Pros for Building and Repairs Marine Grade Durable Hard Finish Excellent wet out characteristics 35 min gel time Comes with Hardener and Small Mek Mixing Cup