Dykem® Cross Check™ Torque Seal Tamper-Proof Indicator Paste, Blue, 1 oz
ITW
Part # 83318BLU=33
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Mfr Part # 83318
Hazmat
Hazmat
Dykem® Cross Check™ is a blue tamper-proof torque-seal paste (1 oz) that provides a highly visible, UV-fluorescent indication of vibratory loosening or tampering on nuts, bolts and fasteners for quick inspection and warranty protection.
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Overview
Dykem® Cross Check™ Torque Seal Tamper-Proof Indicator Paste, supplied as part number 83318BLU, is a viscous, oil-based blue paste applied as a thin bead across a fastener and adjacent surface. Once cured, the mark will crack or break if the fastener moves, providing an immediate visual indication of loosening or tampering. The formulation adheres well to metal and other substrates, fluoresces under UV light for enhanced inspection, and is used for quality control, maintenance inspections, and warranty protection in high-vibration environments.
Features & Benefits
Tamper-proof indication: Marks break if fasteners move, revealing loosening or tampering
High visibility: Bright blue in ambient light and fluorescent under UV for easy inspection
Excellent adhesion: Sticks securely to metal and other substrates to maintain marking integrity
Vibration resistance: Withstands high-vibration environments for reliable detection
Warranty protection: Provides a visual record to detect unauthorized disassembly or movement
Faster inspections: Facilitates quick visual checks and reduces inspection time
Specifications
Part Number: 83318BLU
Manufacturer: Dykem® (ITW Professional Brands)
Form: Viscous Paste
Color: Blue
Container Size: 1 oz tube
Visibility: Ambient light and UV fluorescent
Dry to touch time: 30–40 minutes
Cure Time (Full Cure): 24 hours
Operating Temperature: -20°F to 400°F (-29°C to 204°C)
Flash Point: 105.1°F (40.6°C)
Boeing Specification: BMS8-45 Type II
Shelf Life: 3 years
Applications: Visual detection of loosened or tampered fasteners on critical components
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