What is the glass transition temperature of TotalBoat Polyester Resin? Annette DiOrio September 01, 2022 17:51 Updated The glass transition temperature (Tg) is when a material changes state from a rigid, solid form to a soft, pliable form. The Tg of TotalBoat Polyester Resin is 188.834°F (87.13°C). Related articles How do I apply TotalBoat Gelcoat using a brush/roller? Does TotalBoat Gelcoat require thinning? What are the best conditions for painting a boat? Can I apply TotalBoat Polyester Resin on top of ABS plastic? What is the shelf life for TotalBoat Gelcoat and polyester resin products? Comments 0 comments Please sign in to leave a comment.