... in high end plastic products, likePolypropylene make auto parts, like thermal valve shell, meter panel, door panel ... butylenes glycol propionate make auto parts, include outer ornament, driver room inner parts etcUnsaturated polyester make blasting bathing ... , epoxy, organosilicon etc, to manufacture electric and electrical parts Fine and Superfine Chemical Process and Cosmetics Nontoxic, odorless ...