A-A-1588D
paperback books. For each size sack, the test load shall weigh within +
0.045 kg (+ 0.1 lbs) of the weight specified in Table I. The popcorn
shall be placed in plastic bottles or vials which will fit in the sack being
tested. The test load may be distributed among more than 1 bottle or vial. Cap
the bottles or vials. The paper or paperback books may be wrapped in paper or
plastic for ease of insertion and removal from the sack. Place the appropriate
test load into the sack selected for this test. Remove the liner from the flap,
close and seal the sack. Drop each sack 6 times from a height of 91 cm (36”)
onto a hard, unyielding surface such as uncarpeted concrete. The sack shall be
dropped once on each face and once on each side. If any tears more than 1.3 cm
(1/2”) long, extending from the exterior through to the interior of the sack,
are present at the conclusion of the impact resistance, the sack does not pass
the impact resistance test.
4.3. Creep test. Four test specimens, each 7.62 + 0.317 cm (3” + 1/8”) square, shall be cut from each sack selected for the creep test. Two specimens shall be cut from the front face of the sack, and 2 from the rear face of the sack. The specimens shall be evenly stacked on a piece of glass approximately 8.89 cm (3-1/2”) square. The bottom specimen shall be placed bubble side up, the second specimen bubble side down, the third specimen bubble side up, and the top L- specimen bubble side down. A second 8.89 cm (3-1/2”) square piece of glass shall be placed on top of the stack and a weight sufficient to exert a pressure of 6.89 + 0.689 kPascal (1.0 + 0.1 psi) on the test specimens shall be placed on the top piece of glass. After 60 + 5 minutes, the vertical distance between the glass plates shall be measured at each of the 4 corners of the stack with an instrument capable of measuring to 0.001 mm or (0.001”). The measurements shall be taken carefully so as not to disturb the stack. The average of these 4 measurements shall be recorded as the initial stack thickness. The initial stack thickness divided by 4 shall be recorded as the thickness of the composite material. The weight shall be kept on the stack for a total of 168 + 2 hours, then the distance between the glass plates shall be measured and averaged in the same way as was done for the initial stack thickness. This measurement shall be recorded as the final stack thickness. The final stack thickness shall be not less than 80 percent of the initial stack thickness.
4.4. Label adhesion test. A mailing label with pressure sensitive adhesive shall be applied to the front face of each sack selected for the test. The sack and label shall be placed in a horizontal position for 168 & 2 hours. Then, the label shall be removed from the sack. If the label remains so firmly attached to the sack that the label tears when it is removed from the sack, the sack passes the label adhesion
For Parts Inquires submit RFQ to Parts Hangar, Inc.
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business