Lo mkhiqizo uklanyelwe ngokukhethekile ukuzeamapulazi nezimboni zokudla. Yakhelwe nge-PMMA enokuqina okuphezulu futhi ifakwe izikepisi zensimbi engagqwali, iyayimelana 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, kuyilapho izikepisi zensimbi engagqwali zinikeza ukuzinza okuhle kwe-thermal, zibekezelele ukukhanya kwe-UV, izinga lokushisa eliphezulu, amanzi, ukuguga, nokuhlafunwa ngamakhemikhali.
Inqubo ekhethekile yokufaka i-potting iyakwazi ukufakwa kokuvalwa ngokuphelele, ivimbela ukungena kwama-gesi namanzi ukuze kuvikelwe ngokuphelele amamojula e-LED, ama-PCB, nezingxenye zikagesi ekugugeni. Ukuze kube lula kakhudlwana, kokubili i-PCB kanye nomshayeli kungenziwa kukhishwe, kuvumela ukushintshwa okulula nokugcinwa.