Kukhetha isithelo semihla esibuyileyo kudingeka lokuhlola uhlobo lomsebenzi ngaphandle komhlaba okujamini. Amasithelo amaphansi aphakathi kweTJYCT Steel akhawulezwa ngokubanzi (PPGI) kunye namasithelo amaphupha amakhulu amahlukeneyo, ababhedhe ngebase zinc-aluminum ezikhoyo zonke izindlela ezintathu zepolyester, uzifiselela ukungavuliwe yokuvalwa kwe-UV kunye nokulandelayo kwechemicals. Ngaphandle komasithelo amagalayndiza amaphi, amasithelo amanentsha akho amalinde umkhuhlane wezindlu ngendlela yokusebenza phakathi kweHVAC kunye nomphilo wemilayithi wesintuthuko. Ngenani labo RAL kunye nezinto eziphumaphi PE/PVDF, amanye amagcinisi azidinga ukusuka ngekupheleni ngesobunxele. Ukusenza imibuzwana nemiphumela emibhalweni akhona ukusukela ngendawo elandelayo (0.13-2.0mm) kunye nokugcina usonto lwesimo lokuncima/londawo olufakelwayo.