3M Scotch-Weld structural acrylic adhesives DP805 and DP820 are two-part, 1:1 mix ratio, toughened acrylic structural adhesives. They exhibit excellent shear and peel strengths along with good impact and durability and bond well to many metals, ceramics, wood and most plastics. Strong adhesive can replace screws, rivets and welding. - Creates strong bond with minimal or no surface prep required. Resists many chemicals, water, humidity and corrosion. Formulated to bond multi-material assemblies such as plastics, thermoplastics, composites and metals, including oily metals. Medium viscosity allows controlled dispensing.