Method of testing

A flexible bulk container shall be lifted in the manner for which it is designed until clear of the floor
and maintained in that position for a period of five minutes.

Criteria for passing the test

There shall be no damage to the flexible bulk container or its lifting devices which renders the flexible
bulk container unsafe for carriage or handling, and no loss of contents.

Topple test

Applicability

For all types of flexible bulk containers as a design type test.

Preparation for testing

The flexible bulk container shall be filled to its maximum permissible gross mass.

Method of testing

Flexible bulk container shall be toppled onto any part of its top by lifting the side furthest from the
drop edge upon a target surface that is non-resilient and horizontal. The target surface shall be:
(a) Integral and massive enough to be immovable;
(b) Flat with a surface kept free from local defects capable of influencing the test results;
(c) Rigid enough to be non-deformable under test conditions and not liable to become damaged by
the tests; and
(d) Sufficiently large to ensure that the tested flexible bulk container falls entirely upon the
surface.

For all flexible bulk containers, the topple height is specified as follows:
Packing group III: 0.8 m

Criterion for passing the test

 
There shall be no loss of contents. A slight discharge, e.g. from closures or stitch holes, upon impact
shall not be considered to be a failure of the flexible bulk container provided that no further leakage
occurs.

Righting test

Applicability

For all types of flexible bulk containers designed to be lifted by the top or side part, as a design type
test.

Preparation for testing

The flexible bulk container shall be filled to not less than 95% of its capacity and to its maximum
permissible gross mass.

Method of testing

The flexible bulk container, lying on its side, shall be lifted at a speed of at least 0.1 m/s to an upright
position, clear of the floor, by no more than half of the lifting devices.

Criterion for passing the test

 
There shall be no damage to the flexible bulk container or its lifting devices which renders the flexible
bulk container unsafe for carriage or handling.

Tear test

Applicability

For all types of flexible bulk containers as a design type test.

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