Astm D 4168 – 95 (Reapproved 2002) pdf free download

Standard Test Methods for
Transmitted Shock Characteristics of Foam-in-Place
Cushioning Materials1

This standard is issued under the fixed designation D 4168; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 These test methods determine the shock-absorbing characteristics of foam-in-place packaging materials.

1.2 Test Method A uses a free-fall package drop test apparatus.

1.3 Test Method B uses a shock-test apparatus.

1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

2.1 ASTM Standards:
D 996 Terminology of Packaging and Distribution Environments2
D 1596 Test Method for Dynamic Shock Cushioning Characteristics of Packaging Materials2
D 3332 Test Method for Mechanical-Shock Fragility of
Products, Using Shock Machines2
D 4332 Practice for Conditioning of Containers, Packages,
or Package Components for Testing2
D 5276 Test Method for Drop Test of Loaded Containers by
Free Fall2
D 5487 Test Method for Simulated Drop of Loaded Containers by Shock Machines2
E 122 Practice for Choice of Sample Size to Estimate a
The measure of Quality for a Lot or Process3

3. Terminology

3.1 Definitions:

3.1.1 acceleration—the rate of change of velocity of a body
with respect to time, measured in inches per second per second
(metres per second per second).

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