TIB CHEMICALS CORPORATION › REAXIS® C325 REAXIS® C325 $0.00 REAXIS® C325 is a liquid catalyst of high activity used in the condensation cure of silicones and the synthesis and curing of polyurethanes. Add To Cart Added! REAXIS® C325 is a liquid catalyst of high activity used in the condensation cure of silicones and the synthesis and curing of polyurethanes. You Might Also Like REAXIS® C218 REAXIS® CA33 REAXIS® C248D REAXIS® C321 REAXIS® C416