I-SV 121 sisitywina esinecandelo elinye esekwe kwintlaka ye-polyether elungisiweyo ye-silane njengeyona nto iphambili, kwaye ayinavumba, i-solvent-free, isocyanate-free, kunye ne-PVC-free substance.Ine-viscosity enhle kwizinto ezininzi, Kwaye akukho primer efunekayo, nayo ifanelekile kwindawo epeyintiweyo.Le mveliso ibonakaliswe ukuba inokumelana ne-ultraviolet okugqwesileyo, ngoko ke ayinakusetyenziswa ngaphakathi kuphela kodwa nangaphandle.