7dff359b_d__silicone___Silicones_Europe__Condensation_curing
[Addition curing] Cross linking agent (H-siloxane) in rubber component 1, catalyst (platinum complex) in rubber component 2 [Condensation curing] 
Crosslinker agent and catalyst are both contained in the catalyst
Chemical reactions on the "finished" silicone | Silicones Europe
Condensation curing