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Tamper Proof Sealants for Aviation Applications

Tamper proof sealants help you quickly identify whether parts have been loosened, adjusted, or tampered with after final inspection or torque and help expedite the inspection process. At GracoRoberts, we make it easy to find high-quality tamper proof sealant with our selection of hand-picked brands and formulas.  These brightly colored sealants are easy to use and are commonly applied to fasteners, nuts, bolts and assemblies to show movement at a glance. In fast-paced environments like the aerospace industry, they’re an easy and reliable way to support safety and accountability.

Easy to Apply, Easy to Spot


Once applied, the tamper proof sealant cures quickly to form a brittle, highly visible mark that cracks if disturbed. This makes it easy to catch unauthorized or accidental adjustments as well as to identify parts that have become loosened during flight or are otherwise compromised. The sealant also doubles as a visual quality control tool, showing when parts have been properly torqued or inspected.

Made for Aviation

GracoRoberts offers tamper proof sealants that are formulated to perform under pressure. Choose from trusted options like Dykem Cross Check Tamper Proof Torque Seal for general use, or upgrade to Dykem Cross Check Plus Skydrol Resistant Aviation Grade Torque Seal for aerospace applications that demand extra chemical resistance. These products are available in multiple colors for clear identification and process organization. They are sold in small tubes for easy application and like with all tamper proof sealants, a little bit goes a long way.

Need help choosing the right sealant? If you’re not sure which option works best for your job or industry, GracoRoberts is here to help. Just contact us to get in touch with our team, and we’ll be happy to help you find the right fit for your process and application.