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This specification covers the requirements for continuous glass filament greige braided tubular sleeving and is suitable for use as electrical insulation and for structural and mechanical applications. Ultimate users will be assisted by designating the types of these products that are typical in the industry. Glass fiber greige braided tubular sleeving is produced in one type and two styles within that type and uses yarns designated namely Type G, Style A, and Style B. All yarns for braided tubular sleeving shall be electrical classification, (E glass), continuous filament glass yarns, and shall fall within the chemical composition that is utilized for general applications as described. The fiber shall be free of any free alkali metal oxides, such as soda or potash, and foreign particles, dirt, and other impurities. The primary twist in the singles strands shall be “Z” twist and the final twist in the plied yarns shall be “S” twist. Other properties such as yarn number, strand construction, twist level, ends per carrier, carrier number, picks per unit length, inside diameter, wall thickness, length per unit mass, length per package, and ignition loss shall conform to the requirements specified. The braided tubular sleeving shall be generally uniform in quality and condition, clean, smooth, and free of foreign particles and defects detrimental to fabrication, appearance, or performance.
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.
1.1 This specification covers the requirements for continuous glass filament greige braided tubular sleeving and is suitable for use as electrical insulation and for structural and mechanical applications.
1.2 This specification is intended to assist ultimate users by designating the types of these products that are typical in the industry.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
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
D350 Test Methods for Flexible Treated Sleeving Used for Electrical Insulation
D578 Specification for Glass Fiber Strands
D579 Specification for Greige Woven Glass Fabrics
D1059 Test Method for Yarn Number Based on Short-Length Specimens
D1423 Test Method for Twist in Yarns by Direct-Counting
D1776 Practice for Conditioning and Testing Textiles
D1907 Test Method for Linear Density of Yarn (Yarn Number) by the Skein Method
D3773 Test Methods for Length of Woven Fabric
D3775 Test Method for Warp (End) and Filling (Pick) Count of Woven Fabrics
D4963 Test Method for Ignition Loss of Glass Strands and Fabrics
D7018 Terminology Relating to Glass Fiber and Its Products
ANSI StandardANSI/ASQCZ1.4 Sampling Procedures for Inspection by Attributes Available from American National Standards Institute, 11 W. 42nd St., 13th Floor, New York, NY 10036.
ICS Number Code 59.100.10 (Textile glass materials)
UNSPSC Code 11151512(Glass fibers); 39131602(Expandable braided sleeving)