A-A-2522A
Military Standard:
MIL-STD-105- Sampling Procedures and Tables for Inspection by Attributes.
Copies of military standards may be obtained from Standardization Documents Order Desk, Building 4D, Robbins Avenue, Philadelphia, PA 19111-5094.
ASTM Standards:
D 276- Standard Test Methods for Identification of Fibers in Textiles.
D 3776- Standard Test Methods for Mass Per Unit Area (Weight) of Woven Fabric.
Copies of ASTM standards may be obtained from ASTM, 1916 Race Street, Philadelphia, PA 19103.
3. SALIENT CHARACTERISTICS.
3.1 Material. Wiping rags shall be all cotton or cotton-synthetic blends made from either clean mill ends and mill remnants or reclaimed fabrics from household articles and garments. Rags shall be soft, absorbent, and of either woven or knitted construction. Heavily napped fabrics, mesh fabrics constructed from hard twisted yarns, and starched or stiffened fabrics are not acceptable. Rags made from United States flags, national flags of foreign countries, or remnants thereof are strictly prohibited.
3.2 Size and measurement. Each wiping rag shall have an area of not less than 200 in2 (1290 cm2) and shall be not less than 9.0 inches (22.9 cm) in width and not greater than 44.0 inches (111.8 cm) in length (see 6.1.4).
3.3 Weight.
3.3.1 Grade A. Grade A wiping rags shall not weigh less than 2.0 oz/yd2 (67.8 g/m2) or greater than 7.0 oz/yd2 (237.4 g/m2) (see 4.7.5).
3.3.2 Grade B. Grade B wiping rags shall not weigh less than 3.0 oz/yd2 (101.7 g/m2) or greater than 10.0 oz/yd2 (339.1 g/m2) (see 4.7.5).
3.4 Absorbency rate. All rags shall absorb water and oil within 15.0 seconds when tested in accordance with 4.7.1.
3.5 Moisture Content. Rags shall have a moisture content not greater than 7.5 percent when tested in accordance with 4.7.4.
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