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ISTA Test Procedure 1C is an integrity test that covers the testing of individual packaged products weighing 150 pounds (68 kg) or less when prepared for shipment. There is one exception, which is individual packaged-products on a visible skid or pallet and that weigh more than 100 pounds (45 kg). may be tested according to Test Procedure 1E or Procedure 3E. ISTA 1C challenges the capability of the package and the product to withstand transport hazards. The tests are simulations of actual transport hazards and do not necessarily comply with carrier packaging regulations.

The test sequence for ISTA Procedure 1C is as follows:

Atmospheric Measurement Test Block – Temperature and Humidity.

Compression Conditioning Test Block – Compression.

Vibration Test Block – Fixed Displacement.

Vibration Test Block – Random.

Shock Test Block – Drop or Impact.

The chart below is from the standard and provides more guidance on the testing procedure and requirements:

Sequence #Test CategoryTest TypeFor ISTA Certification
1Compression ConditioningMachine or StaticRequired
2VibrationFixed DisplacementRequired
  Alternative Drop 
  Alternative Incline 
  Alternative Horizontal 

As an ISTA-certified package testing lab, Keystone Compliance can meet your package testing needs, including ISTA 1C. By providing quick turnarounds, competitive pricing and engineering assistance, Keystone Compliance has become a leader in the package test lab industry. Receiving a quote to complete ISTA-1C testing is as easy as completing our online quote form or calling us at (724) 657-9940.