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    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

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    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

    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

    12、d ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C70

    13、0, West Conshohocken, PA 19428-2959, United States.8. Rejection and Rehearing8.1 If the results of any test do not conform to the require-ments of this specification, retesting to determine conformityshall be permitted to be performed as agreed upon between thepurchaser and the seller.9. Packaging a

    14、nd Package Marking9.1 The material shall be suitably packaged to permitacceptance by the carrier and to afford adequate protectionfrom the normal hazards of handling and shipment.9.2 Unless otherwise agreed upon between the supplier andpurchaser, each container or bill of lading on bulk shipmentssha

    15、ll be plainly marked with the name and brand of themanufacturer or seller, the ASTM designation, flash point, andequiviscous temperature (EVT) for application.10. Keywords10.1 built-up; coal tar; dampproofing; roofing;waterproofingASTM International takes no position respecting the validity of any p

    16、atent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revisi

    17、on at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your co

    18、mments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrigh

    19、ted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e

    20、-mail); or through the ASTM website(www.astm.org).TABLE 1 Physical Requirements of Coal-Tar Pitch for Built-Up Roofing, Dampproofing, and WaterproofingType I Type IIWater, max, % 0 0Specific gravity, 25/25C 1.22 to 1.34 1.22 to 1.34Softening point (ring-and-ball), C (F)A52 to 60(126 to 140)41 to 52(

    21、106 to 126)Flash point, Cleveland open cup, min, C (F) 190 (374) 175 (347)Total pitch soluble in carbon disulfide, % 72 to 85 72 to 85Ash, max, % 0.5 0.5Total distillate:0 to 300C (32 to 572F), max, % 10 100 to 315C (32 to 599F), max, % . .0 to 360C (32 to 680F), max, % . .Specific gravity of distil

    22、late from 0 to 32 to300C (572F), min, 38/15.5C1.03 1.03Softening point (ring-and-ball) of residue fromdistillation to 300C (572F), max, C (F)80 (176) 80 (176)AThese values are 2C higher if Test Method D 2398 (ring and ball in ethylene glycol) is used in place of the specified Test Method D36(ring and ball in water).D450072


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