ʻO ka lipine wela kiʻekiʻe ʻo PTFE he kūpaʻa paʻakai paʻakai maikaʻi loa, akā ʻo nā wahi nāwaliwali ka papa adhesive a me nā ʻaoʻao o ka fiberglass substrate. Nā ʻano loiloi: 1000h neutral salt spray (NSS) hoʻāʻo, ana i ka paʻa ʻana o ka ikaika peel (≥80% koi ʻia), nā hemahema ʻike maka (hoʻokiʻekiʻe, blistering), a me ka hoʻoheheʻe ʻia o ka substrate metala. No nā kaiapuni kai a me ka noe nui: e hoʻohana i ka PSA silicone (ʻaʻole ka acrylic), ka substrate PTFE i hoʻopiha piha ʻia, e hoʻopaʻa i nā ʻaoʻao me ka mea hoʻopaʻa hoʻopaʻa i ka wā, a kau i ka primer ma nā ʻili metala.