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This specification details the test methods and tolerances applicable to the following properties of knitted fabrics: yield; mass (weight); width; length; fabric count; bursting strength; moisture regain; thickness; extractable matter; and fiber composition. These tolerances are applicable to knitted fabrics of all types, such as warp knits, weft knits, flat bed knits, and so forth.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Significance and Use
Knitted fabrics are known to exhibit inherent variations in properties. This specification lists the tolerances for each property deemed acceptable in the trade.
These tolerances can be used to determine if knitted fabrics meet specifications for properties, and provide a guide in case of dispute.
Tolerances agreed upon between the purchaser and the seller shall take precedence over those listed in this specification.
1.1 This specification covers test methods and tolerances applicable to the following properties of knitted fabrics: yield, mass (weight), width, length, fabric count, bursting strength, moisture regain, thickness, extractable matter, and fiber composition.
1.2 These tolerances are applicable to knitted fabrics of all types, such as warp knits, weft knits, flat bed knits, and so forth.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D123 Terminology Relating to Textiles
D629 Test Methods for Quantitative Analysis of Textiles
D2257 Test Method for Extractable Matter in Textiles
D2494 Test Method for Commercial Mass of a Shipment of Yarn or Manufactured Staple Fiber or Tow
D2654 Test Method for Moisture in Textiles
D2720 Practice for Calculation of Commercial Weight and Yield of Scoured Wool, Top, and Noil for Various Commercial Compositions
D3773 Test Methods for Length of Woven Fabric
D3774 Test Method for Width of Textile Fabric
D3776 Test Methods for Mass Per Unit Area (Weight) of Fabric
D3786 Test Method for Bursting Strength of Textile Fabrics--Diaphragm Bursting Strength Tester Method
D3787 Test Method for Bursting Strength of Textiles--Constant-Rate-of-Traverse (CRT) Ball Burst Test
Military StandardMIL-STD-105D Sampling Procedures and Tables for Inspection by Attributes
ICS Number Code 59.080.30 (Textile fabrics)
UNSPSC Code 11161804(Knit synthetic fabrics)