WINKEL PRO 4W15 is a cyanoacrylate based fast adhesive for bonding metals and metal combinations. It is used for bonding metals, leather, cardboard, cork, wood, foam, plastics, elastomers and absorbent materials, especially metals, where conventional adhesives do not give optimum results. High moisture resistance. Ideal bonding on metals - Clean and aesthetic appearance. Fast hardening in 1-3 seconds. How to use:The metal surfaces to be bonded must be dry, free of oil, dirt, grease and other contaminants, it is recommended to clean the surface with WINKEL PRO Fast Cleaner; this will optimise the bonding result. Apply WINKEL PRO 4W15 to the gaps to be filled, assemble and join the parts and do not move them during the initial holding time. The complete drying time of the product is 24 hours. Please consult our technical team for PP, PE etc. surfaces with adhesion difficulties.