A-A-549 Cushioning Material, Packaging (Flexible Closed Cell Plastic Film, For Short Distribution Cycles)

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[METRIC]

A-A-549D

June --, ----

SUPERSEDING

A-A-549C

April 5, 1990

COMMERCIAL ITEM DESCRIPTION

CUSHIONING MATERIAL, PACKAGING

(FLEXIBLE CLOSED CELL PLASTIC FILM, FOR SHORT DISTRIBUTION CYCLES)

The General Services Administration has authorized the use of this

Commercial Item Description, for all federal agencies.

1. SCOPE. This description covers flexible, closed cell, heat sealable, non-corrosive, plastic film for use in cushioning and packaging applications when the shipping cycle will not exceed 7 days.

2. SALIENT CHARACTERISTICS.

A. Construction. The cushioning material shall be constructed of a composite of two or more sheets of plastic film and shall be furnished in the form of rolls, perforated rolls, or sheets, as specified (See 7.a). The thickness of cushioning material shall be in accordance with Table I, as specified (See 7.b). The composite material shall have uniformly distributed closed cells. It shall be sufficiently transparent to permit easy reading if 10-point type through a single layer of cushioning material. The cushioning material shall pass all testing under paragraph 3.C. herein.

B. Dimensions. The cell height for each nominal thickness shall be the initial thickness found during the creep test. The width tolerance shall be + 6.4 mm (+ 1/4"). The length tolerance for sheets shall be + 6.4 mm (+ 1/4"). Rolls and perforated rolls shall be not less than the specified length. Perforations, when perforated rolls are specified, shall be placed not more than 6.4 mm (1/4”) apart for very thin, thin, and medium material. The tolerance for the distance between the rows of perforations in perforated rolls shall be + 6.4 mm (+ 1/4"). The size of the perforations shall be such that the material can be easily separated.