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This specification covers mineral-colloid-stabilized, emulsified refined coal tar suitable for use as a weather-protective and petroleum (aliphatic) solvent resistant coating. This product is typically applied to commercial lots and other low speed bituminous concrete pavements suitable for protection. The material shall be classified as: Type I and Type II. The refined coal tar emulsion seal coat shall consist of a mixture of refined coal tar emulsion, water, and aggregate and be proportioned within the ranges specified. Mixture and aggregate verification tests shall be performed to conform with the specified requirements.
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 mineral-colloid-stabilized, emulsified refined coal tar suitable for use as a weather-protective and petroleum (aliphatic) solvent resistant coating. This product is typically applied to commercial lots and other low speed bituminous concrete pavements suitable for protection.
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 requirements prior to use.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C136 Test Method for Sieve Analysis of Fine and Coarse Aggregates
C142 Test Method for Clay Lumps and Friable Particles in Aggregates
D140 Practice for Sampling Bituminous Materials
D490 Specification for Road Tar
D2939 Test Methods for Emulsified Bitumens Used as Protective Coatings
D3423 Practice for Application of Emulsified Coal-Tar Pitch(Mineral Colloid Type)
D5727 Specification for Emulsified Refined Coal Tar (Mineral Colloid Type)
ICS Number Code 73.040 (Coals)
UNSPSC Code 30121501(Coal tar); 30151505(Roofing membranes)
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ASTM D6945 / D6945M-03(2017), Standard Specification for Emulsified Refined Coal-Tar (Ready to Use, Commercial Grade), ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top