What material should cover the heads of the rivets after insertion?

Rivet tape is specifically designed for sealing and protecting the heads of rivets after they have been inserted. It serves multiple purposes, including providing a barrier against moisture, contaminants, and potential corrosion that could compromise the integrity of the rivet over time. Additionally, using rivet tape helps maintain aerodynamic efficiency by smoothing the surface and reducing drag.

In aerospace applications, the use of rivet tape is crucial to ensure the longevity and safety of the assembly. It is engineered for the specific needs of aviation environments, accommodating the high standards required in the industry.

While other materials like foam padding, plastic wrap, and metal caps may have protective qualities, they do not offer the same level of durability and suitability for the unique demands of rivet protection in aerospace assembly. For example, foam padding could absorb moisture and might not adhere successfully, whereas plastic wrap may lack the necessary strength and could degrade under environmental conditions. Metal caps, while providing protection, could add unnecessary weight or complexity to the assembly process. Therefore, rivet tape is the most appropriate option for covering rivet heads after insertion in aerospace applications.