Tamper-evident security seals are a quiet but essential part of aviation supply chains - sealing catering carts, cargo containers, baggage and valuables. In 2026, the trend is toward numbered seals and scan-based tracking that link each sealed unit to a digital record. What procurement teams should specify One-time-use locking: irreversible self-locking mechanisms that leave permanent evidence of opening Sequential numbering: unique ID per seal for batch tracking and chain-of-custody documentation Scan capability: barcode or QR printing for integration with digital tracking systems Material integrity: high-tenacity PP that resists bending and tearing under operational handling Why seals matter more than their unit cost A compromised seal can void a consignment's integrity record - an expensive failure relative to the seal's cost. Institutional buyers are therefore consolidating seal supply with manufacturers that can customise numbering, colour-code by department or route, and document material test reports. For airline catering, the same seal logic applies from kitchen to aircraft. Source: based on supply-chain security practice in aviation and logistics (industry standards for tamper-evident devices)
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