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ISTA1A / 2A – Carton Drop Test

For the Carton Drop Test, there are 2 standards can be referred, the International Safe Transit Association (ISTA) 1A and 2A. Normally most of clients use the specification of ISTA 1A, the drop procedures of ISTA 1A and 2A are the same, but their Drop Heights are different.

Drop Height

The test drop height varies with the weight of the packaged-product:

Packaged-Product Weight
Drop Height Free Fall
<=
<
1A
2A
lbs
kg
lbs
kg
In.
mm
In.
mm
0
0
21
10
30
760
38
970
21
10
41
19
24
610
32
810
41
19
61
28
18
460
26
660
61
28
100
45
12
310
20
510
100
45
150
68
8
200
12
310

Drop Procedure





Sequence #
Orientation
Specific face, edge or corner
1
Corner
most fragile face-3 corner, if not known, test 2-3-5
2
Edge
shortest edge radiating from the corner tested
3
Edge
next longest edge radiating from the corner tested
4
Edge
longest edge radiating from the corner tested
5
Face
one of the smallest faces
6
Face
opposite small face
7
Face
one of the medium faces
8
Face
opposite medium face
9
Face
one of the largest faces
10
Face
opposite large face



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