+x Warren (Staff) - 9/18/2018 10:06:03 AMYou would get a very poor cosmetic finish that is assuming the plastic can take the heat. 85C is a low temperature cure. If you have to add multiple layers of resin anyway then don't waste the expense of the Pre-preg when a stabilised fabric will do fine at holding the weave alignment. YOu can find our ProFinish fabric here: ProFinish Carbon Fibre 2/2 Twill 3k 210g