What are dashes made out of looking to repair

[chevymadness]

Im looking to repair my 1982 silverado black dash that is orig but it is cracked in front of passenger about the size of my palm and in front of driver on top og gauges on the cliff area tiny cracks.I was looking at lmc dashes and there way over priced for something that looks no different then the cheapy molds i see for 100 dollors or some dashes that i found made out of urethan materials whaever that means.Im not looking for a very cheap dash as i dont want to cheap my truck out even tho im probably going to wrap it in leather.But i want a peace of mind knowing that i get good quality so what are the oem dashes made out of the plastic is very thick.I see alot of mold dashes but there the stamp out plastic type crap but hey there cheap and do the job what do you guys think.I dont think anyone makes as thick plastic dashes ! anywhere! does anyone have a lmc dash