Palafini, kutentha kwapakati, ndi madzi omwe amaoneka opanda mtundu kapena otumbululuka achikasu ndi fungo lochepa. Imasinthasintha kwambiri komanso imatha kuyaka, kupanga mpweya wophulika ukasakanikirana ndi mpweya.
Malire ophulika a palafini amakhala pakati 2% ndi 3%. Nthunzi yake imatha kupanga kusakaniza kophulika ndi mpweya, ndi poyang'ana pamalo otseguka lawi kapena kutentha kwambiri, imatha kuyaka ndikuphulika. Pansi pa kutentha kwambiri, kupsyinjika mkati mwa zotengera kumatha kuwonjezeka, kubweretsa zoopsa zong'ambika ndi kuphulika.