ISTA 1E Package Testing
ISTA Procedure 1E is the requirement for testing unitized loads of the same product. This includes the testing of unitized loads, made up of either single or multiple products or packages of the same product. Some examples include a single non-packaged machine banded to a pallet. This could include a corrugated tray, cap or tube. Another example would be a shrink-wrapped or stretch-wrapped pallet of individual packages.
ISTA 1E is often used as the transit testing procedure for analyzing bulk shipments. This package test standard requires products to go through conditioning, vibration and shock. The conditioning is for temperature and humidity. The goal is to test the package at ambient conditions and the requirement is 12 hours. The vibration testing can be either vertical linear fixed displacement or random. The shock includes horizontal impact, rotational edge drop and incline impact. These are all alternative shock methods. The products only need to be tested to one of these.
It is important to note that rotary motion vibration is not acceptable. The fixed displacement vibration testing must be vertical linear motion.
ISTA 1E testing is required by a number of retailers and distributors. This test procedure simulates the hazards experienced by pallets in the supply chain. The information gained can be insightful in determining how many units can safely be placed on a pallet. This test procedure can save significant money by reducing future product damage and product returns.
The chart below outlines the test sequence for ISTA 1E:
|Sequence #||Test Category||Test Type||For ISTA Certification|
|1||Vibration||Vertical Linear Fixed Displacement/ Alternative Random||Required|
|2||Shock||Incline (Conbur)/ Alternative Horizontal Impact||Required|
|3||Shock||Rotational Edge Drop||Required|
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