Lo mkhiqizo uklanyelwe ngokukhethekile ukuzeamapulazi nezimboni zokudla. Kwenziwe nge-PMMA enokuqina okuphezulu futhi ifakwe izicaphu zensimbi engagqwali, imelana kahle nokuguguleka okuvela kumagazi kanye noketshezi olune-alkaline—ilungele izindawo ezinzima, ezonakalisa ezindaweni zezolimo nezokucubungula ukudla.
Indlu ye-PMMA inokumelana namakhemikhali, isiphetho esiqinile, nokusebenza okuhlala njalo okumelana nokuphuzi, kuyilapho izicaphu zensimbi engagqwali zinikeza ukuzinza okuhle kwe-thermal, zibekezelele ukukhanya kwe-UV, izinga lokushisa eliphezulu, amanzi, ukuguga, nokudliwa amakhemikhali.
Inqubo ekhethekile yokufaka i-potting iqinisekisa ukuvalwa ngokuphelele kwe-hermetic, ivimbela ukungena kwama-gesi namanzi ukuze kuvikelwe ngokuphelele ama-module e-LED, ama-PCB, nezingxenye zikagesi ekugugeni. Ukuze kube lula kakhulu, kokubili i-PCB kanye nomshayeli kungenziwa kukhishwe, kuvumela ukushintshwa okulula nokugcinwa.