ASTM D8395-23

ASTM D8395-23 is a technical specification published by ASTM International. Its full title is "Standard Specification for Aramid Fiber for Asphalt Mixtures". This standard covers: SCOPE 1.1 This standard specification covers a standardized method whereby an aromatic polyamide fiber can be evaluated prior to modification where the finished product (formulation of aramid fiber plus some form of treatment) is to be used in asphalt mixtures. The aromatic, polyamide fiber (shortened to “aramid” in non-treated form) can be specified by physical and mechanical properties whereby the aramid fiber is treated and the final product form is used in asphalt mixtures. The purpose of adding aramid fiber is to improve the asphalt mixture’s mechanical performance. Aramid fiber may provide structural properties to the mixture and thus is different than fibers such as cellulose fibers that are used to prevent drain down. The aramid fiber may be coated (that is, “treated”) with a binder such as wax, emulsion, or similar. The fiber can also be blended with a polyolefin fiber or other additive to reduce loss of fibers into the airstream during mixing due to the lightweight nature of aramid fiber. The mechanical properties listed in the standard specification are for the non-treated aramid fiber since it is difficult to test shortened fibers for properties such as linear density, tensile strength, and Young’s modulus. 1.2 This standard specification does not address the performance of asphalt binder blends with aramid fiber or that of the asphalt mixture containing aramid fiber, but rather specifies the aramid fiber properties for use in formulating the finished product which is then used in asphalt mixtures. 1.3 Units—The values stated in International System of Units (SI) are to be regarded as standard. No other units of measurement are included in this standard. 1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. 1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

SCOPE 1.1 This standard specification covers a standardized method whereby an aromatic polyamide fiber can be evaluated prior to modification where the finished product (formulation of aramid fiber plus some form of treatment) is to be used in asphalt mixtures. The aromatic, polyamide fiber (shortened to “aramid” in non-treated form) can be specified by physical and mechanical properties whereby the aramid fiber is treated and the final product form is used in asphalt mixtures. The purpose of adding aramid fiber is to improve the asphalt mixture’s mechanical performance. Aramid fiber may provide structural properties to the mixture and thus is different than fibers such as cellulose fibers that are used to prevent drain down. The aramid fiber may be coated (that is, “treated”) with a binder such as wax, emulsion, or similar. The fiber can also be blended with a polyolefin fiber or other additive to reduce loss of fibers into the airstream during mixing due to the lightweight nature of aramid fiber. The mechanical properties listed in the standard specification are for the non-treated aramid fiber since it is difficult to test shortened fibers for properties such as linear density, tensile strength, and Young’s modulus. 1.2 This standard specification does not address the performance of asphalt binder blends with aramid fiber or that of the asphalt mixture containing aramid fiber, but rather specifies the aramid fiber properties for use in formulating the finished product which is then used in asphalt mixtures. 1.3 Units—The values stated in International System of Units (SI) are to be regarded as standard. No other units of measurement are included in this standard. 1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. 1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D8395-23 is classified under the following ICS (International Classification for Standards) categories: 59.100.30 - Aramide materials. The ICS classification helps identify the subject area and facilitates finding related standards.

ASTM D8395-23 has the following relationships with other standards: It is inter standard links to ASTM E1131-20, ASTM D7269/D7269M-20, ASTM D8-19, ASTM D8-18c, ASTM D8-18b, ASTM D1907/D1907M-12(2018), ASTM D8-18a, ASTM D8-18, ASTM D7269/D7269M-17, ASTM D8-17c, ASTM D8-17b, ASTM D8-17a, ASTM D8-17, ASTM D8-16b, ASTM D8-16a. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

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