ISTA 3B

ISTA 3B is a test for packaged products for less-than-truckload (LTL) shipment . It is used to simulate shipping in the less-than-truckload environment. Micom offers ISTA 3B testing as part of its Package testing services. 

ISTA 3B use and factors to be considered

ISTA 3B testing is a general simulation test for packaged products through a motor carrier delivery system where different types of packaged products, often from different  shippers and intended for different ultimate destinations, are mixed in the same truck load. ISTA 3B segregates the packages in four following package types: Standard (200 lbs or less), Standard (over 200 lbs), Cylindrical, Palletized or Skidded.  The tests and the test conditions change as a function of the package type.  While testing to this standard, the package and product are considered together and not separately. They both need to be tested together. Samples can also be tested under specific atmospheric transit conditions such as moisture, low or high temperature. Should you have any question or need help, please contact our material testing lab. Our experts will be happy to work with you to tailor the best possible test plan given your needs.

ISTA 3B requires a minimum of 1 sample to be tested.  For final packaging design purposes a higher number of samples is recommended (ideally 5 or more).  However only testing one sample is mandatory to establish compliance.

For unitized loads of the same product shipped by truckloads, you should also consider ISTA 3E or ASTM D4169 tests.

Test Sequence

The tests shall be performed on each test sample in the sequence indicated in the table below  Please note this table is only an example and that the test sequence will change as a function of package type your product falls in.

ISTA 3B – STANDARD, 200 lb (91kg) or less

Sequence #

Test Category

Test Type

Test Level

For ISTA Certification

1

Atmospheric Precondition

TEST BLOCK 1

Temperature and humidity

Ambient

Required

2

Atmospheric Condition

TEST BLOCK 1

Controlled temperature
and humidity

Temperature and humidity  chosen from chart

Optional

3

Shock

TEST BLOCK 2

Tip/Tip over

Use a 22 degree tip angle

Required for packages
≥ 48 in (1.2m) tall and ≥100lb (45kg)
weight and any one base dimension < ½ the height,
or

for packages ≥ 30 in (760 mm) tall and with a center of gravity vertical location
>½ the package height

4

Shock TEST BLOCK 3

Free-Fall Drop

6 drops – height varies  with packaged-product weight

Required

5

Vertical Vibration

TEST BLOCK 7

Random with top load

Overall Gmrs level of 0.54

Required

6

Shock

TEST BLOCK 10

Concentrated Impact

Impact mass free-fall
drop, guided drop, or pendulum, 15 in (380 mm)

Required only foe
Non-Rigid Containers

7

Shock

TEST BLOCK 11

Free-Fall Drop

6 drops – height varies  with packaged-product weight

Required

8

Shock

TEST BLOCK 16

Full Rotational Drop

1 drop

Required only for
Elongated packages

9

Shock

TEST BLOCK 17

Bridged Impact

Hazard Box dropped 16 in
(410 mm)

Required only for
Elongated packages

10

Shock

TEST BLOCK 16

Full Rotational Drop

2 drops

Required only for Flat
packages

11

Shock

TEST BLOCK 16

Concentrated Edge Impact

Hazard box dropped 16 in
(410 mm)

Required only for Flat
packages

Other related test methods:

For additional related test methods; please see ISTA testing, Package Testing or ASTM Packaging.

We hope that you found the information above about the ISTA 3B test valuable. If you have any questions about packaging testing or if you would like to discuss a custom package test for your products, we invite you to contact us today. It will be our pleasure to answer your questions.

We also invite you to learn more about our package testing services by consulting our brochure below:

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