ASTM D312 / D312M - 16a
Standard Specification for Asphalt Used in Roofing
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Abstract
This specification covers four types of asphalt intended for use in built-up roof construction, construction of some modified bitumen systems, construction of bituminous vapor retarder systems, and for adhering insulation boards used in various types of roof systems. The asphalts shall be prepared from crude petroleum. Asphalts shall be classified as: Type I; Type II; Type III; and Type IV. Asphalts of each type shall conform to the physical properties prescribed. Tests shall be performed to determine the properties of the material in accordance with the following methods: sampling; softening point; flash point; penetration; ductility; and solubility.
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. Scope
1.1 This specification covers four types of asphalt intended for use in built-up roof construction, construction of some modified bitumen systems, construction of bituminous vapor retarder systems, and for adhering insulation boards used in various types of roof systems. The specification is intended for general classification purposes only, and does not imply restrictions on the slope at which an asphalt must be used.
1.2 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.
1.3 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D5/D5M Test Method for Penetration of Bituminous Materials
D36/D36M Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)
D92 Test Method for Flash and Fire Points by Cleveland Open Cup Tester
D113 Test Method for Ductility of Bituminous Materials
D140/D140M Practice for Sampling Bituminous Materials
D1079 Terminology Relating to Roofing and Waterproofing
D2042 Test Method for Solubility of Asphalt Materials in Trichloroethylene
D3461 Test Method for Softening Point of Asphalt and Pitch (Mettler Cup-and-Ball Method)
D4402/D4402M Test Method for Viscosity Determination of Asphalt at Elevated Temperatures Using a Rotational Viscometer
ICS Code
ICS Number Code 91.100.50 (Binders. Sealing materials)
UNSPSC Code
UNSPSC Code 30121601(Asphalt); 30151500(Roofing materials)
Referencing This Standard
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DOI: 10.1520/D0312_D0312M-16A
Citation Format
ASTM D312 / D312M-16a, Standard Specification for Asphalt Used in Roofing, ASTM International, West Conshohocken, PA, 2016, www.astm.org
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