Two technologies, one job — but very different economics
Traditional mechanical seals (plastic strap seals, pull-tights, mechanical bolt seals) have anchored cargo security for decades. Electronic seals (e-seals) add an active electronic module that reports arm, break, and tamper events over GSM or LTE. Both produce tamper evidence; only one produces a real-time audit trail. Choosing between them is a question of risk profile, route value, and operational maturity, not technology preference.
Side-by-side comparison
- Cost per use: Traditional seals — INR 5–50. Electronic seals — INR 1,500–8,000+ depending on cellular plan.
- Tamper indication: Both visibly destroy on removal. Only e-seals push a real-time alert.
- Audit trail: Traditional — manual log of serial numbers. E-seal — automatic timestamped event log with GPS coordinates.
- Customs acceptance: ISO 17712:2013 'H' classification covers both mechanical bolt seals and e-seals. The standard is technology-agnostic.
- Power: Traditional — none. E-seal — 30–90 days battery; needs charging or replacement.
- Reuse: Traditional — single-use. E-seal — electronic module recoverable in some variants; bolt body single-use.
Decision framework
Use traditional mechanical seals when: cargo value is modest, lanes are well-policed, your customs regime accepts ISO 17712:2013 'H' visual evidence, and operational discipline (recording serials at every handover) is reliable.
Use electronic seals when: cargo value justifies the per-trip cost, transit crosses high-risk corridors, or regulatory regimes require an electronic audit trail (e.g. transit cargo under specific CBIC procedures, EU AEO programmes).
The hybrid pattern most fleets settle on
Mature cargo security programmes typically deploy both: a high-volume traditional seal on standard freight, with electronic seals reserved for top-tier consignments and customs-bonded movements. Pair either approach with the SECURE ECTS dashboard for unified event visibility. Request a quote to discuss volumes and lane prioritisation.