Dont be at all my friend! Before we did small honda parts and stuff like mouse pads and cup coasters where nobody wanted to pay anything so we used polyester resin that we had no doubt they would not last since they were small parts that barely touched heat. But now since we do much higher quality products for higher quality cars we switched to an epoxy system and with out testing anythign we thought the epoxy would work well because we were told it was amungst the highest quality. Turns out they found out that they were wrong and told us only after we made a few pieces. That is why we spent the next week and a half after that trying other epoxies. Right now we are using some that so far have been tested up to 300F and shows no signs of falling appart. Average sun temp gets to 140 - 153 at 90F weather.
Not only that we clear coat our parts with dupont automotive clear and guarantee all of our work for life
