Dykem® Cross Check™ is a white tamper-proof indicator paste for visual detection of vibratory loosening or tampering on fasteners. Applied across nuts, bolts or assemblies, the mark breaks if movement occurs, aiding inspections and providing warranty protection.
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WARNING: This product can expose you to chemicals including ETHYLBENZENE and TITANIUM DIOXIDE (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE) which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Overview
Dykem® Cross Check™ Tamper-Proof Indicator Paste is a viscous, polyurethane-based paste supplied as part number 83319 that is applied as a thin line across a tightened fastener and its adjacent component. The material dries to a hard, brittle film that will crack or break if the fastener vibrates loose or is tampered with, providing immediate visual evidence for maintenance, quality control and warranty assurance. The formulation adheres well to metals and other substrates and fluoresces under UV for enhanced inspection capability.
Features & Benefits
Tamper-proof indication: Marks break if fasteners move, revealing loosening or tampering
High visibility: White color is easily seen in ambient light and fluoresces under UV for detailed inspections
Excellent adhesion: Sticks securely to metal, wood and plastic substrates
Vibration resistance: Durable in high-vibration environments
Warranty protection: Provides clear visual evidence to support warranty claims
Faster inspections: Enables quick visual checks and reduces inspection time
Specifications
Part Number: 83319
Manufacturer: Dykem® (ITW Professional Brands)
Form: Viscous Paste
Color: White
Container Size: 1 oz tube
Visibility: Ambient light and UV fluorescent
Drying Time (Dry to Touch): 1–2 hours
Cure Time (Full Cure): 24 hours
Operating Temperature: -20°F to 600°F (-29°C to 316°C)
Flash Point: 105°F (40.6°C)
Shelf Life: 1095 days (3 years)
Applications: Visual detection of loosened or tampered fasteners on critical components
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