Overview
DYKEM Cross-Check provides a convenient visual method for identification of vibratory loosening or tampering in nuts, bolts, fasteners, and assemblies. Provides warranty protection against tampering. Marks will be easily broken if parts are tampered with or become loose. Highly visible marks. Excellent adhesion to metal and other substrates.

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
- 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

Technical Information
- Boeing Specification: BMS8-45 Type II