This test method describes physical, chemical and microscopical techniques for identifying textile fibers found in textile products and sold in the United States. Fibers may be examined in raw fiber form or taken from yarn or fabric. These test methods may be used to identify generic fiber types as defined by the Textile Fibers Products Identification Act and subsequent rules and regulations of the Federal Trade Commission or ISO 2076, Textiles man-made fibres-generic names. Quantitative methods for determining percentages in blends of fibers are covered by AATCC TM20A, Test Method for Fiber Analysis: Quantitative.