In applications where parts are subject to corrosive environments, the use of thermoplastics has brought longevity and durability unavailable in parts that are composed of metal. Nowhere is this truer than in the marine industry; whether saltwater or fresh, the constant exposure to moisture and the elements can corrode virtually any metal. However, modern thermoplastics are not susceptible to the same deterioration experienced by most metals. For much lower cost than corrosion-resistant metal alloys, thermoplastics can be formulated to resist a myriad of corrosion sources, as well as deterioration due to extended exposure to UVs.