Astm D 4830 – 98 pdf free download

Standard Test Methods for
Characterizing Thermoplastic Fabrics Used in Roofing and

This standard is issued under the fixed designation D 4830; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 These test methods cover the procedures for characterizing thermoplastic fabrics (for example polyester, polyamide,
polypropylene, etc.) used in prefabricated roofing and waterproofing membranes.

1.2 Procedures appear in the following order:
Unit Mass 3
Thickness 4
Breaking Load, Elongation, and Work-to-Break 5
Trapezoid Tearing Strength 6
Puncture Strength 7
Static Heat Stability 8
Dynamic Heat Stability 9

1.3 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

2.1 ASTM Standards:
D 76 Specification for Tensile Testing Machines for Textiles2
D 123 Terminology Relating to Textiles2
D 885 Test Methods for Tire Cords, Tire Cord Fabrics, and
Industrial Filament Yarns Made from Man-Made OrganicBase Fibers2
D 1117 Test Methods for Nonwoven Fabrics2
D 1776 Practice for Conditioning Textiles for Testing2
D 4354 Practice for Sampling of Geosynthetics for Testing3
D 5035 Test Method for Breaking Strength and Elongation
of Textile Fabrics (Strip Method)4
D 5729 Test Method for Thickness of Nonwoven Fabrics4
D 5733 Test Method for Tearing Strength of Nonwoven
Fabrics by the Trapezoid Procedure4

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