What is the strongest adhesive? In terms of tensile strength the strongest adhesives are epoxy adhesives, specifically single component heat curable epoxy adhesives. Let me clarify – single component epoxy adhesives have the highest tensile strength often 35-41 N/mm² (5100– 6000 psi). What are the best metal bonding adhesives? Tensile strength of the adhesive is … Strongest Adhesives for Bonding Metal, Glass & Plastic weiterlesen