ASTM D450-2007 Standard Specification for Coal-Tar Pitch Used in Roofing Dampproofing and Waterproofing《屋顶材料、防潮材料和防水材料用煤焦油沥青的标准规范》.pdf
《ASTM D450-2007 Standard Specification for Coal-Tar Pitch Used in Roofing Dampproofing and Waterproofing《屋顶材料、防潮材料和防水材料用煤焦油沥青的标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM D450-2007 Standard Specification for Coal-Tar Pitch Used in Roofing Dampproofing and Waterproofing《屋顶材料、防潮材料和防水材料用煤焦油沥青的标准规范》.pdf(2页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D 450 07Standard Specification forCoal-Tar Pitch Used in Roofing, Dampproofing, andWaterproofing1This standard is issued under the fixed designation D 450; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of la
2、st revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers two types of
3、 coal-tar pitchsuitable for use in the construction of built-up roofing, damp-proofing, and membrane waterproofing systems.1.2 The values stated in SI units are to be regarded as thestandard. The values in parentheses are for information only2. Referenced Documents2.1 ASTM Standards:2D4 Test Method
4、for Bitumen ContentD20 Test Method for Distillation of Road TarsD36 Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)D70 Test Method for Density of Semi-Solid BituminousMaterials (Pycnometer Method)D92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD95 Test Metho
5、d for Water in Petroleum Products andBituminous Materials by DistillationD 140 Practice for Sampling Bituminous MaterialsD 2398 Test Method for Softening Point of Bitumen inEthylene Glycol (Ring-and-Ball)3D 2415 Test Method for Ash in Coal Tar and PitchD 3461 Test Method for Softening Point of Aspha
6、lt andPitch (Mettler Cup-and-Ball Method)3. Classification3.1 Coal-tar pitches covered by this specification includetwo types:3.1.1 Type ISuitable for use in built-up roofing, damp-proofing, and membrane waterproofing systems.3.1.2 Type IISuitable for use in dampproofing and inmembrane waterproofing
7、 systems.4. Materials and Manufacture4.1 Coal-tar pitch shall be prepared from selected crudesusing suitable refining processes to conform to the applicablespecifications.5. Physical Requirements5.1 Coal-tar pitch shall be homogeneous and free of water.5.2 Each type shall conform to the physical pro
8、pertiesprescribed in Table 1.6. Sampling and Test Methods6.1 Sample the material and determine the properties enu-merated in this specification in accordance with the followingmethods:6.1.1 SamplingPractice D 140.6.1.2 WaterTest Method D95.6.1.3 Specific GravityTest Method D70.6.1.4 Softening PointT
9、est Method D36 or D 3461.Incases where a disagreement exists between the purchaser andthe seller, Test Method D36 shall be used as the refereemethod.6.1.5 Flash PointTest Method D92.6.1.6 Pitch Soluble in Carbon DisulfideTest Method D4.6.1.7 AshTest Method D 2415.6.1.8 DistillationTest Method D20.7.
10、 Inspection and Certification7.1 Inspection and certification of the material shall be asagreed upon between the purchaser and the seller. Specificrequirements shall be made part of the purchase contract.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing
11、and is the direct responsibility of Subcommittee D08.03on Surfacing and Bituminous Materials for Membrane Waterproofing and Built-upRoofing.Current edition approved May 15, 2007. Published June 2007. Originallyapproved in 1937. Last previous edition approved in 2006 as D 450 96 (2006).2For reference
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