ASTM D276 PDF

The list does not include examples of fibers from two or more generic classes of polymers spun into a single filament. Additional information on fiber types and trademarks is given in References 1,2, and 3. Differences in tenacity, linear density, bulkiness, or the presence of inert delustrants normally do not interfere with analytic tests, but chemical modifications for such purposes as increased dyeability with certain dyestuffs may affect the infrared spectra and some of the physical properties, particularly the melting point. Many generic classes of fibers are sold with a variety of cross-section shapes designed for specific purposes. These differences will be evident upon microscopical examination of the fiber and may interfere with the measurements of refractive indices and birefringence. The analysis scheme based on solubility is very reliable.

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Many of the generic classes of man-made fibers are produced by several manufacturers and sold under various trademark names as follows Note 1 : Note 1—The list of trademarks in 1. The list does not include examples of fibers from two or more generic classes of polymers spun into a single filament.

Additional information on fiber types and trademarks is given in Refs 1, 2, and 3. Differences in tenacity, linear density, bulkiness, or the presence of inert delustrants normally do not interfere with analytic tests, but chemical modifications for such purposes as increased dyeability with certain dyestuffs may affect the infrared spectra and some of the physical properties, particularly the melting point.

Many generic classes of fibers are sold with a variety of cross-section shapes designed for specific purposes. These differences will be evident upon microscopical examination of the fiber and may interfere with the measurements of refractive indices and birefringence. The analysis scheme based on solubility is very reliable. The infrared technique is a useful adjunct to the solubility test method. The other methods, especially microscopical examination are generally not suitable for positive identification of most man-made fibers and are useful primarily to support solubility and infrared spectra identifications.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See Note 3.

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ASTM D276 - 12

Many of the generic classes of man-made fibers are produced by several manufacturers and sold under various trademark names as follows Note 1 : [This table has been removed. The list does not include examples of fibers from two or more generic classes of polymers spun into a single filament. Additional information on fiber types and trademarks is given in Refs 1, 2, and 3. Differences in tenacity, linear density, bulkiness, or the presence of inert delustrants normally do not interfere with analytic tests, but chemical modifications for such purposes as increased dyeability with certain dyestuffs may affect the infrared spectra and some of the physical properties, particularly the melting point. Many generic classes of fibers are sold with a variety of cross-section shapes designed for specific purposes. These differences will be evident upon microscopical examination of the fiber and may interfere with the measurements of refractive indices and birefringence. The analysis scheme based on solubility is very reliable.

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Many of the generic classes of man-made fibers are produced by several manufacturers and sold under various trademark names as follows Note 1 : Note 1—The list of trademarks in 1. The list does not include examples of fibers from two or more generic classes of polymers spun into a single filament. Additional information on fiber types and trademarks is given in Refs 1, 2, and 3. Differences in tenacity, linear density, bulkiness, or the presence of inert delustrants normally do not interfere with analytic tests, but chemical modifications for such purposes as increased dyeability with certain dyestuffs may affect the infrared spectra and some of the physical properties, particularly the melting point.

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