Irin purlin ti a bo agbara jẹ ti awọn purlins galvanized (irin apakan C, irin apakan Z) bi ohun elo ipilẹ.Lẹhin titẹ, ṣiṣe iho, gige ati didasilẹ, lulú resini epoxy ti wa ni preheated ni iwọn otutu giga lati fibọ ati yipada, lẹhinna ni ilọsiwaju nipasẹ imularada ati awọn ilana miiran.
Resini iposii ni o tayọ oju ojo resistance.Layer resini iposii patapata ya sọtọ olubasọrọ laarin irin ati afẹfẹ, yago fun ifoyina ati ipata irin, jẹ ki awọn purlins ni agbara to gaju ati yago fun itọju lẹhin-itọju.
Imọ-ẹrọ to ti ni ilọsiwaju ati agbekalẹ imọ-jinlẹ jẹ ki purlin le ati sooro, pẹlu ifaramọ to lagbara ati pe ko delamination rara.Layer egboogi-ibajẹ kii yoo kiraki tabi peeli lẹhin titẹ.