Chemical Agent Resistant Coating (CARC) is a specialized organic polyurethane coating system specified by the U.S. Department of Defense for use on tactical military equipment, including combat vehicles, aircraft components, ordnance (military weapons and ammunition), and support systems. CARC is not simply a paint choice but a performance requirement governed by military specifications, designed to meet the operational demands of hostile environments.
One of CARC’s defining characteristics is its resistance to chemical warfare agents. The coating’s formulation allows contaminated surfaces to be effectively decontaminated without absorbing or retaining hazardous agents, which is critical for maintaining equipment readiness and protecting personnel. In addition, CARC coatings are engineered to reduce infrared reflectivity, helping minimize thermal signatures and improving survivability in the field. These functional requirements make CARC significantly more complex than conventional industrial coatings.
CARC is typically applied as a wet spray and cured at relatively low oven temperatures compared to other high-performance coatings. Because it is often applied to large, complex assemblies with extensive surface area, masking becomes a critical part of the finishing process. Traditional masking methods—such as large quantities of single-use tape or paper—can be time-consuming, material-intensive, and costly, particularly in high-volume or repeat production environments.
To address these challenges, magnetic masking is frequently used during CARC application on ferrous metal components. Reusable magnetic masks can be precisely cut to shape using digital knife cutting systems, allowing for accurate coverage without the lead times associated with hard tooling. Constructed from thick magnetic material laminated with vinyl, these masks provide consistent edge definition, withstand repeated use, and are easily applied and removed between coating cycles.
For defense contract manufacturers, reusable magnetic masking can streamline CARC finishing operations by reducing material waste, minimizing setup time, and improving process consistency. As CARC requirements continue to be part of military applications, efficient and repeatable masking solutions remain important to meet performance and cost objectives.
Are you a Certified CARC applicator? Contact us today for help with an upcoming masking project.