Fisrt off, I have found this forum very insightfull. As a newcomer, I am going to be here quite a bit. Now, I have been looking around for a bit and have a question about types of powders and their characteristics. I hope someone has the answers…Could it please be explained, the differences in the following 1) TGIC HYBRID 2)Acrylic 3)Epoxy 4)Polyester 5)Urethane Thanks.