TIB CHEMICALS CORPORATION › REAXIS® C620 REAXIS® C620 $0.00 REAXIS® C620, Zinc Octoate can be used as a catalyst for polyurethane resin synthesis and crosslinking. Quantity: Add To Cart Added! REAXIS® C620, Zinc Octoate can be used as a catalyst for polyurethane resin synthesis and crosslinking. You Might Also Like REAXIS® C616