Lo mkhiqizo uklanyelwe ngokukhethekile ukuze amapulazi nezimboni zokudla. Kwenziwe nge-PMMA enobukhulu obuphezulu futhi ifakwe iziciko zensimbi engagqwali, imelana kahle nokuhlafunwa yi-ammonia namajusi e-alkaline—ilungele izindawo ezinzima, ezihlafuna ezindaweni zezolimo nezokucubungula ukudla.
Indlu ye-PMMA inokumelana namakhemikhali, isiphetho esiqinile, nokusebenza okuhlala njalo okumelana nokuphuzi, kanti iziciko zensimbi engagqwali zinikeza ukuzinza okuhle kwe-thermal, okumelana nokukhanya kwe-UV, izinga lokushisa eliphezulu, amanzi, ukuguga, nokuhlafunwa 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 nokulungiswa kalula.