Re bahlahisi ba hloahloa ba silicone sealant naheng ea China, ba hlahisoang ke lihlahisoa tsa boleng bo holimo le litšebeletso tse ntle. Ka kopo, kholiseha hore ho tla ba le li-silicone sealant tse ngata tse holimo- tse fumanehang setokong mona 'me u fumane lethathamo la litheko femeng ea rona. Re boetse re amohela liodara tse ikhethileng.