ASTM D580-99

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Designation: D 580 – 99
Standard Specification for
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Greige Woven Glass Tapes and Webbings
This standard is issued under the fixed designation D580; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
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1. Scope D3774 Test Methods for Width of Woven Fabric
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D3775 Test Method for Fabric Count of Woven Fabric
1.1 This specification primarily covers greige tapes and
D3776 Test Methods for Mass per Unit Area (Weight) of
webbings woven from “E” electrical classification glass fiber
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Woven Fabric
yarns. This specification can also be applied to tapes and
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D4029 Specification for Finished Woven Glass Fabrics
webbings made of other glass fiber grades upon agreement
D4963 Test Method for Ignition Loss of Glass Strands and
between the purchaser and the supplier.
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Fabrics
1.2 This specification is intended to assist ultimate users by
D5035 Test Method for Breaking Strength and Elongation
designating the types of these products that are typical in the
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of Textile Fabrics (Strip Method)
industry. This specification permits the application of organic
2.2 ANSI Standard:
materials to the glass fiber yarn during manufacture that helps
ANSI/ASQC Z1.4 Sampling Procedures for Inspection by
facilitate weaving. When used as permitted in this specifica-
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Attributes
tion,suchmaterialswillnotinterferewiththeintendedenduse
requirements.
3. Terminology
1.3 The values stated in either SI units or inch-pound units
3.1 Definitions:
are to be regarded separately as standard. The values stated in
3.1.1 continuous filament yarn, n—ayarnmadeoffilaments
each system may not be exact equivalents; therefore, each
that extend substantially throughout the length of the yarn.
system shall be used independently of the other. Combining
3.1.2 greige goods, n—textile fabrics that have received no
values from the two systems may result in nonconformance
bleaching, dyeing, or finishing treatment after being produced
with the standard.
by any textile process.
1.4 This standard does not purport to address all of the
3.1.3 tape, n—in textiles, a narrow fabric with a mass per
safety concerns, if any, associated with its use. It is the
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unit area of less than 0.5 kg/m (0.1 lb/ft ) for each 25.4 mm
responsibility of the user of this standard to establish appro-
(1 in.) of width and which is used primarily for utilitarian
priate safety and health practices and determine the applica-
purposes.
bility of regulatory limitations prior to use.
3.1.4 webbing, n—in textiles, a stout narrow fabric with a
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2. Referenced Documents mass per unit area of at least 0.5 kg/m (0.1 lb/ft ) for each
25.4 mm (1 in.) of width.
2.1 ASTM Standards:
2 3.1.5 For definitions of other textile terms used in this
D123 Terminology Relating to Textiles
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specification, refer to Terminology D123.
D578 Specification for Glass Fiber Strands
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D579 Specification for Greige Woven Glass Fabrics
CLASSIFICATION
D1059 Test Method for Yarn Number Based on Short-
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Length Specimens
4. Classification
D1423 Test Method for Twist in Yarns by the Direct-
4.1 Greige glass fiber tapes and webbings are produced in
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Counting Method
twotypesandareconstructedwithyarnsdesignatedasdirected
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D1776 Practice for Conditioning Textiles for Testing
in Specification D578. The standard types are:
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D1777 Test Method for Thickness of Textile Materials
4.1.1 Type A—Medium texture.
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D3773 Test Methods for Length of Woven Fabric
4.1.2 Type B—Open texture.
4.2 The designation of a tape or webbing shall be by style
numbers that are standard throughout the industry.
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This specification is under the jurisdiction of ASTM Committee D-13 on
4.3 Two segments of characters are used to describe tapes
TextilesandisthedirectresponsibilityofSubcommitteeD13.18onGlassFiberand
and webbings.
Its Products.
Current edition approved March 10, 1999. Published June 1999. Originally
published as D580–40T. Last previous edition D580–94.
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Annual Book of ASTM Standards, Vol 07.01. Available from American National Standards Institute, 11 W. 42nd St., 13th
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Annual Book of ASTM Standards, Vol 07.02. Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D 580
4.3.1 Thefirstsegmentofthedescriptionoftapeorwebbing requirements of the individual elements of the designation are
describestheglassclassification,thetypefiberinthewarp,and specified in Sections 8-12.
the type fiber in the filling.
8. Yarn Number
4.3.1.1 The first letter in the first segment is one of the
following glass classification codes: “E” for electrica
...