PolyesterPolyester-based thermoplastic powder materials have better than av-erage adhesion properties and good UV resistance characteristics.However, they are somewhat more difficult to apply than nylon mate-rials and not as resistant to abrasion or solvent. Polyesters are used onsome outdoor applications such as patio furniture due to good out-door durability characteristics.PVDF (Poly-Vinylidene Fluoride)PVDF based coating materials have excellent weathering characteris-tics. They also have excellent resistance to chemicals with the excep-tion of hydrocarbon solvents. They are used to coat piping and valvesused in chemical process industries. Usually, a chromate primer isrecommended.
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