A-A-2577B
1/ Handles available in these sizes only.
2/ Type III, Cold Drink cups only:
Squat shape: overall height is less than two times the diameter of the base. Tall shape: Overall height is greater than two times the diameter of the base.
3/ Available in either straight or rolled edge.
3.4.1 Testing of the end item. The end item shall be tested for the applicable characteristics.
A sample unit shall consist of four cups of the same type, style, class, color, capacity and form. No more than one sample unit randomly selected shall be drawn from any one shipping container. The lot size for the purpose of determining the sample size shall be expressed in units of 1000 cups of the same type, style, class, color, capacity, or form in the inspection lot.
3.4.1.1 Certificate of conformance. Except for the leakage test, a certificate of conformance to the test requirements shall be accepted in lieu of testing each lot. The contractor shall have available for review evidence that those tests specified herein have been performed on
similar items in the past twelve months, that the product being offered has been manufactured using the same materials, processes, and manufacturing techniques, and is otherwise identical to the product tested.
3.4.2 Thickness test. For determining the thickness of the sidewall, cut two specimens approximately 2 inches square from the sidewalls of two of the cups constituting the sample unit and determine the thickness with a micrometer, which has been properly calibrated and graduated to read 0.0001 inch or less. For the thickness of the cup bottom, trim away the sidewalls of two cups to produce a circle of material approximating the diameter of the cup bottom. Determine the thickness as described above. For one-piece pleated cups, the thickness shall be determined on the bottom portion of the cup, after trimming away the sidewalls.
3.4.3 Capacity test. The capacity of the paper cup shall be determined on two cups from each sample unit. Measure to the nearest milliliter the quantity of tap water, at room temperature, required to fill the cup to the brim. The cup shall rest on a smooth level surface. This test shall be performed on cups to be used for the leakage test.
3.4.4 Leakage test.
3.4.4.1 Types I and II. Twenty cups shall be filled with distilled water having a pouring temperature of 180o to 200oF and placed on an irregular or ventilated surface to permit air circulation under the recessed bottom and prevent accumulation of moisture condensation which is not leakage. The cups shall be examined for leakage at the end of 15 minutes.
3.4.4.2 Types III through VI. Twenty cups shall be filled with distilled water at a temperature range of 70o to 75oF. Place a sheet of clean, white bond paper between the cup and the supporting surface. All above types shall be examined for leakage at the end of 15
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