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    ASTM D4677-1987(2013) Standard Classification for Rubber Compounding MaterialsTitanium Dioxide《橡胶配料的标准分类 二氧化钛》.pdf

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    ASTM D4677-1987(2013) Standard Classification for Rubber Compounding MaterialsTitanium Dioxide《橡胶配料的标准分类 二氧化钛》.pdf

    1、Designation: D4677 87 (Reapproved 2013)Standard Classification forRubber Compounding MaterialsTitanium Dioxide1This standard is issued under the fixed designation D4677; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of l

    2、ast revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This classification covers the compounding materialknown as titanium dioxide. It is generally used in rubbercompounds t

    3、o impart whiteness to selected products. Typicalchemical and physical properties are included.1.2 This standard does not purport to address all of thesafety problems, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health pra

    4、ctices and determine the applica-bility of regulatory limitations prior to use. Table 12. Referenced Documents2.1 ASTM Standards:2D185 Test Methods for Coarse Particles in PigmentsD280 Test Methods for Hygroscopic Moisture (and OtherMatter Volatile Under the Test Conditions) in PigmentsD1208 Test Me

    5、thods for Common Properties of CertainPigmentsD1394 Test Methods for Chemical Analysis of White Tita-nium PigmentsD3720 Test Method for Ratio of Anatase to Rutile inTitanium Dioxide Pigments by X-Ray Diffraction3. Significance and Use3.1 Titanium dioxide is used in rubber compounding as acolorant to

    6、 impart whiteness to any desired end product. It isused in sidewalls of automobile tires.3.2 It is chemically inert and slightly basic with a pH of 7.0to 8.0. The free-chalking, weathering properties of anatasetitanium-dioxide provide a (self-cleaning) white appearance inoutdoor applications.4. Basi

    7、s of Classification4.1 Titanium-Dioxide By Types:4.1.1 Type IAnatase, free-chalking.4.1.2 Type IIRutile, low/medium chalk resistance.4.1.3 Type IIIRutile, high-chalk resistance.5. Composition and Properties5.1 The titanium-dioxide commonly used in rubber is theanatase Type 1 material. It is generall

    8、y 97 to 99 % TiO2incomposition. Some antase grades have an inorganic surfacetreatment (that is, oxides of aluminum or silicon), some havean organic treatment; most have very little treatment.5.2 The rutile titanium-dioxide consists of many grades fora multitude of end use applications. They are more

    9、 weatherresistant, have a more compact crystal structure, and varywidely in physical properties and surface treatment.6. Keywords6.1 anatase; rutile; titanium dioxide1This classification is under the jurisdiction of ASTM Committee D11 onRubber and is the direct responsibility of Subcommittee D11.20

    10、on CompoundingMaterials and Procedures.Current edition approved Nov. 1, 2013. Published January 2014. Originallyapproved in 1987. Last previous edition approved in 2007 as D4677 87 (2007).DOI: 10.1520/D4677-87R13.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Cu

    11、stomer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1ASTM International takes no positi

    12、on respecting the validity of any patent 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

    13、.This standard is subject to revision 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

    14、International Headquarters. Your comments 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 sh

    15、own below.This standard is copyrighted 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), 610-83

    16、2-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Properties of Titanium Dioxide (By Type)TestMethodType I(Anatase)Type II(Rutile)Type III(Rutil

    17、e)TiO2,min,% D1394 95 92 85pH D1208 78.0 78.0 78.0Coarse particles, max, % D185 0.2 0.2 0.2Moisture, max,% D280 0.7 0.7 1.5RutileAD3720 1 % max 99 % min 99 % minTint StrengthB. . . .BrightnessB. . . .APercent rutile as a percent of total TiO2content.BTest methods to be developed and agreed upon by supplier and user. A basicwhite sidewall formula could be chosen to generate inherent color properties.D4677 87 (2013)2


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