Drop Impact and Stack Test

This article by Impact Laboratories shows the Drop Impact and Stack Test procedures.

UN Transport of Dangerous Goods Model Regulations, Paragraph 6.1.5.3.

Drop Test Sequence

1st Drop - 3 Containers
Diagonally on to top climb
Centre of Gravity above point of impact
Investigating Drops - using 1st frop containers
Base, Belly - Welds vertical, Diagonally on to base, or other feature

2nd Drop - 3 Containers
Dropped in attitude of any weakness indicated by investigating frops or diagonally on to closures.

Height of drop dependent on the danger of the product to be transported at its specfic gravity SG.

Test undertaken at -18°C for plastics using water/glycol, filled to 98% volume.

Stack Test

UN Transport of Dangerous Goods Model Regulations, Paragraph 6.1.5.6.

This test assesses the resistance to deformation under load and stacking performance thereafter. The container is subjected to a guided load test simulating a 3 metre high stack at 40°C for 28 days for plastic/liquid (metals 24 hours ambient). There must be no leakage of content during the stacking period after which stack stability is assessed. Stacking stability can be assessed by placing two containers of the same design on top of the tested container.