SV 121 silinda ce mai kashi ɗaya ta dogara da silane-gyaran polyether resin a matsayin babban sashi, kuma ba shi da wari, mara ƙarfi, mara isocyanate, kuma abu mara PVC.Yana da danko mai kyau ga abubuwa da yawa, Kuma ba a buƙatar firamare, wanda kuma ya dace da farfajiyar fentin.An tabbatar da cewa wannan samfurin yana da kyakkyawan juriya na ultraviolet, don haka ana iya amfani dashi ba kawai a cikin gida ba har ma a waje.