I-SV 121 iyisici esisodwa esisekelwe ku-silane-modified polyether resin njengengxenye eyinhloko, futhi iyisithako esingenaphunga, esingancibiliki, esingenayo i-isocyanate, kanye ne-PVC.Ine-viscosity enhle ezintweni eziningi, Futhi ayikho i-primer edingekayo, ebuye ifanele indawo ependiwe.Lo mkhiqizo ufakazelwe ukuthi unokumelana okuhle kakhulu kwe-ultraviolet, ngakho-ke ungasetshenziswa nje ngaphakathi endlini kodwa nangaphandle.