ISTA-3A包装测试标准.doc
Equipment
Required
Shock
6 in. (150 mm)
1 in. (25 mm)
150 mm (6.0 in)
20-25 mm (0.75–1.0 in)
3A
ISTA 3A 2006 - Page 7 of 25
EQUIPMENT REQUIRED FOR PROCEDURE 3A
Random Vibration Test:
Random Vibration Test System complying with the apparatus section of ISO 13355-01 or ASTM D 4728-95(-01).
A form of column stack fixturing
Top-Load Apparatus
Plastic bags
Sand or other dense, flowable material
Optional Random Vibration under Vacuum:
Vacuum Chamber: complying with the apparatus section of ISO 2873-00 or ASTM D6653-01; able to fit on the
vibration table; able to draw down the internal absolute pressure to 60 kPa (8.7 psi) for the truck and air test, or 70 kPa
(10 psi) for the truck-only test; and able to withstand the air and/or truck random vibration input. 3A - SMALL
Two (2) United States Postal Service #1 Mailbags or equivalent [canvas or like material, approximately 1.0 x 0.7 m (39
x 27 in)] are used throughout the testing sequence.
One bag is filled with 36 kg (80 lb) of sand suitably packaged in smaller bags.
One bag is the Sample Bag to be filled with the Test Specimen and dunnage packages, to simulate a typical pack.
Three (3) over-night style envelopes, 1-#5 padded mailer and 1-#6 fiberboard mailer.
Fiberboard containers as described in the table below are to be constructed of C-flute board with any of the following
minimum values and construction:
Burst Test: 1380 kPa or 14 kg/cm2 or 200 lb/in2 or
ECT Value: 7.0 kN/m width or 40 lb/in width.
RSC style boxes shall be used for any dunnage package 125 mm (5 in) or more in height and
Book-wrap or telescoping tray style may be used for any dunnage package less than 125 mm (5 in) in height.
Fill each envelope, mailer and corrugated container as indicated in the table below. Corrugated boxes and book wraps
are filled until the desired weight is achieved.
It is allowable to substitute dunnage packages with Test Specimen packages or envelopes. The dunnage