High bond strength with cohesive failure mode on aluminium substrates as well as composite materials. Compatible with wet and dry lubricants, providing good bonding strength under various process conditions. Can be dispensed with commercially available dispensing systems. Excellent environmental durability to heat, humidity, salt water, solvents. Available in orange or black. 3M™ Structural Adhesive SA9820 is a high-crash resistant, two-part, structural adhesive for composite and aluminium body-in-white joint bonding applications. SA9820 is a high-crash resistant adhesive with fast strength build up at room temperature. It is optimal for bonding of composite and aluminium structures like battery cases.