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Status:Closed    Asked:Jul 23, 2013 - 12:51 PM

What's best ISTA Method for Evaluating Slipsheet Performance in unitized load.

Hi - I am looking to test a various thickness / basis weight slipsheets performance in an existing unitized load pallet configuration.

Specifically, the slipsheets are placed on the bottom of the pallet to protect the load from any nail damage from the top of the pallet and resist sliding of unit load during transit. There are also slipsheets between a few of the layers to tie the layers together for stability and one on top as dust cover.

After review of excellant ISTA Guidelines document it looks like ISTA 3E would be best test to evaluate the effect of handling but am curious if it takes into consideration enviromental conditions and stability during long term stacking.

Any thoughts would be greatly appreciated.

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Compensating factors are utilized within the compression formulas in ISTA 3E to account for effects not tested, such as temperature/humidity, stacking patterns, long-duration loading, etc. If compression testing is performed in conjunction with atmospheric conditioning (optional in ISTA 3E testing) which reduces container strength (e.g. corrugated containers under high humidity, plastic containers under high temperature), these compensating factors can be reduced.

You might also consider ISTA Test Procedure 3B if the unitized load will be shipped via an LTL/Common Carrier environment. Please contact me directly if you'd like to discuss in more detail.


A.J. Gruber

Source: A.J. Gruber - ISTA


Jul 23, 2013 - 12:51 PM

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