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1.1 This test method covers the procedures for reproducing and comparing shock damage, such as that which may result from rail switching or pallet marshalling impacts, using an incline impact tester. It is suitable for simulating the types of shock pulses experienced by lading in rail switching of rail cars with standard draft gear, but not for those with long travel draft gear or cushioned underframes. The test method can also be used for pallet marshalling tests.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazards statements, see Section 6.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

4.1 This test method is for use in evaluating the capability of a container or shipping system to withstand sudden shocks and crushing forces, such as those generated from rail switching impacts or pallet marshalling, or to evaluate the capability of a container and its inner packing, or shipping system, to protect its contents during the sudden shocks and crushing forces resulting from rail switching or pallet marshalling impacts. This test method may also be used to compare the performance of different container designs or shipping systems. The test may also permit observation of the progressive failure of a container or shipping system and damage to the contents. See Practice D4169 for additional guidance.

4.2 This test method is not suitable for reproducing impact resulting from the switching of rail cars using long-travel draft gear or cushioned underframes. Refer to Test Methods D4003 (revised) as a more suitable method for testing under these circumstances, or when more precise control of shock inputs is required.