Renia has been producing adhesives for the shoe repair, prosthetic, and orthopedic markets for almost 100 years. Colle de Cologne is Renia's all purpose cement. The only Neoprene-based adhesive on the market that also bonds PVC and TR. Colle de Cologne was developed with all the different modern soling and correction materials in mind. Use with leather, rubber, natural rubber, PUR, TR, PVC, EVA and cork. Toluene-free and MEK-free.