ISO/PAS 17712:2003

Freight containers — Mechanical seals

ISO/PAS 17712:2003 establishes uniform procedures for the classification, acceptance, and withdrawal of acceptance of mechanical freight container seals. It provides a single source of information on mechanical seals which are acceptable for securing freight containers in international commerce. ISO/PAS 17712:2003 is not applicable to special-purpose seals, such as fibre-optic and sophisticated electronic seals.

Récipients de fret — Joints mécaniques

General Information

• Status: Withdrawn
• Publication Date: 09-Oct-2003
• Withdrawal Date: 09-Oct-2003
• ICS: 55.180.10 - General purpose containers
• Technical Committee: ISO/TC 104 - Freight containers
• Drafting Committee: ISO/TC 104 - Freight containers
• Current Stage: 9599 - Withdrawal of International Standard
• Completion Date: 25-Jul-2006

Relations

• Revised: ISO/PAS 17712:2006 - Freight containers — Mechanical seals
• Effective Date: 15-Apr-2008

Standards Content (Sample)

PUBLICLY ISO/PAS
AVAILABLE 17712
SPECIFICATION
First edition
2003-10-01

Freight containers — Mechanical seals
Récipients de fret — Joints mécaniques




Reference number
ISO/PAS 17712:2003(E)
©
ISO 2003

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ISO/PAS 17712:2003(E)
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ISO/PAS 17712:2003(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
In other circumstances, particularly when there is an urgent market requirement for such documents, a
technical committee may decide to publish other types of normative document:
 an ISO Publicly Available Specification (ISO/PAS) represents an agreement between technical experts in
an ISO working group and is accepted for publication if it is approved by more than 50 % of the members
of the parent committee casting a vote;
 an ISO Technical Specification (ISO/TS) represents an agreement between the members of a technical
committee and is accepted for publication if it is approved by 2/3 of the members of the committee casting
a vote.
An ISO/PAS or ISO/TS is reviewed after three years in order to decide whether it will be confirmed for a
further three years, revised to become an International Standard, or withdrawn. If the ISO/PAS or ISO/TS is
confirmed, it is reviewed again after a further three years, at which time it must either be transformed into an
International Standard or be withdrawn.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO/PAS 17712 was prepared by Technical Committee ISO/TC 104, Freight containers. It is issued initially as
a Publicly Available Specification (PAS) due to the immediate need for clarification and guidance with regard
to security seals used in conjunction with freight container transportation. It has been prepared based on
existing material available from national customs organizations, national testing bodies and the World
Customs Organization.

© ISO 2003 — All rights reserved iii

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PUBLICLY AVAILABLE SPECIFICATION ISO/PAS 17712:2003(E)

Freight containers — Mechanical seals
1 Scope
This Publicly Available Specification (PAS) establishes uniform procedures for the classification, acceptance,
and withdrawal of acceptance of mechanical freight container seals. It provides a single source of information
on mechanical seals which are acceptable for securing freight containers in international commerce.
This Publicly Available Specification is not applicable to special-purpose seals, such as fibre-optic and
sophisticated electronic seals.
2 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
2.1
security seal
passive, one-time locking device that is used to provide a reliable indicator of tampering (unauthorized
removal or attempted removal) or entry
NOTE In addition, by virtue of its construction, the security seal provides limited resistance to an intentional or
unintentional attempt to open it and enter the freight container that is sealed with the seal. Security seals require
inspection to indicate whether tampering has occurred or entry has been attempted.
2.2
high security seal
security seal that is constructed and manufactured of material such as metal or metal cable with the intent to
delay intrusion
NOTE High security seals generally must be removed with quality bolt cutters or cable cutters. They require
inspection to indicate whether tampering has occurred or entry has been attempted.
2.3
indicative seal
seal that is constructed and manufactured of material that can easily be broken by hand or by using a simple
snipping tool or shear
NOTE Indicative seals require inspection to indicate whether tampering has occurred or entry has been attempted.
3 Mechanical seal types and requirements
3.1 Types of mechanical seal
3.1.1 Wire seals
Wire seals consist of a length of wire secured in a loop by some type of seizing device.
EXAMPLES Crimp wire, fold wire and cup wire seals.
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ISO/PAS 17712:2003(E)
3.1.2 Padlock seals
Padlock seals consist of a locking body with a bail attached.
EXAMPLES Wire shackle padlock (metal or plastic body), plastic padlock and keyless padlock seals.
3.1.3 Strap seals
Strap seals consist of a metal or plastic strap secured in a loop by inserting one end into or through a
protected (covered) locking mechanism on the other end.
3.1.4 Cable seals
Cable seals consist of a cable and a locking mechanism. On a one-piece seal, the locking or seizing
mechanism is permanently attached to one end of the cable. A two-piece cable seal has a separate locking
mechanism which slips onto the cable or prefabricated cable end.
3.1.5 Bolt seals
Bolt seals consist of a metal rod, threaded or unthreaded, flexible or rigid, with a formed head, secured with a
separate locking mechanism.
3.1.6 Cinch or pull-up seals
Cinch or pull-up seals are indicative seals consisting of a thin strip of material, serrated or non-serrated, with a
locking mechanism attached to one end. The free end is pulled through a hole in the locking mechanism and
drawn up to the necessary tightness. Cinch or pull-up type seals may have multiple lock positions. These
seals are generally made of synthetic materials such as nylon or plastic. They should not be compared to
simple electrical ties.
3.1.7 Twist seals
Twist seals are made of steel rod or heavy-gauge wire of various diameters, which is inserted through the
locking fixture and twisted around itself by use of a tool.
3.1.8 Scored seals
Scored seals consist of a metal strip which is scored perpendicular to the length of the strip. The strip is
passed through the locking fixture and bent at the score mark. Removal of the seal requires bending at the
score mark which results in breakage of the seal.
3.1.9 Label seals
Label seals are frangible seals consisting of a paper or plastic backing with adhesive. The combination of
backing and adhesive are chosen to cause the seal to tear when removal is attempted.
3.1.10 Barrier seals
Barrier seals are designed to provide a significant barrier to container entry. A barrier seal may, for example,
enclose a portion of the inner locking rods on a container. Barrier seals may be designed to be reusable.
3.2 General requirements
3.2.1 Security and high security seals shall be strong and durable so as to prevent accidental breakage,
early deterioration (due to weather conditions, chemical action, etc.) or undetectable tampering under normal
usage.
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ISO/PAS 17712:2003(E)
3.2.2 Seals shall be capable of being affixed easily and quickly.
3.2.3 Seals shall be identified by unique marks (such as a logotype) and numbers that are readily legible;
markings intended for unique ide
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