Bolt seals

Security seals are mechanisms accustomed to seal shipping containers in a manner that provides tamper evidence and many standard of security. Such seals will help to detect theft or contamination, either accidental or deliberate. Security seals are commonly employed to secure truck trailers, vessel containers, chemical drums, airline duty-free trolleys and utility meters. Typically they may be considered an inexpensive strategy for providing tamper evidence of intrusion into sensitive spaces.

Security seals might be split into two main groups: single use and reusable. Single use seals are generally manufactured from plastic or metal, along with the used material and production technology is the key to the security level. Reusable seals are usually electronic or mechanical rather than just made from plastic, and in case purely plastic, merely one part is reusable. Electronic and mechanical seals are likely to be used for the transportation industry, with seal fixed to the back of trucks, trailers and shipping containers. A reusable mechanical or electronic seal may be fitted on the rear or loading doors, extending a cable from itself through fixing points in the doors, and whenever sealed generating a unique number which is certainly logged. Once the door is next opened this number changes, thus it provides tamper evidence for that load.

The prerequisites for some security standard of seals are defined during the ISO 17712. The seals that fit in with our prime security level and Security level can also be called «barrier seals». They are made of different metals or metal alloys, and therefore they might need special tools to get opened, including bolt cutters or pliers. Cable seals and customized seals also succumb to this category. Designed to deter opportunistic theft of high value goods, in addition, they is sometimes branded and numbered to enhance tamper resistance and supply excellent security for containers. The seals that are inside the Indicative level as to ISO 17712 are constructed of plastic or thin metal.

Bolt seals are utilized to secure shipping containers, trucks and trailers. A bolt seal employed for securing containers must comply with the ISO 17712 high security seal just to be accepted by customs all across the globe in ocean shipping. The C-TPAT[3] (Customs Trade Partnership Against Terrorism) specifies ISO 17712 compliant security seals to use. Bolt seals are usually closed by hand (by pushing the seal body and head together) and opened with the aid of bolt cutters. This provides a robust and secure seal for transportation, while remaining convenient for staff in ports and warehouses.

All ISO 17712 compliant seals are numbered on seal body and head, to prevent substitution of either part. This is usually done using laser marking, which can not be rubbed off.

Ball seals are typically used in securing trucks. They contain a metal strip which has a punched hole, mounted on a housing section. In the event the strip is bent and threaded from the hole, a ball inside of the housing section locks it into position. Most ball type seals belong merely to the indicative level as to ISO 17712.

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