Products33-lsi 33lsi2022-08-09by admin 33-lsi 33lsi 33-lsi 33lsi dabco® 33lsi catalyst can be used in all polyurethane foam applications, where it can be used as a one-to-one replacement for dabco® 33lv or at one-third the number of triethylenediamine crystals used, e.g., 0.3 parts of dabco® 33lsi for 0.1 parts of triethylenediamine crystals. DABCO 33-LSIDabco 33LSI