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喜歡就充值下載吧。。資源目錄里展示的文件全都有，，請(qǐng)放心下載，，有疑問(wèn)咨詢QQ:414951605或者1304139763 ======================== 喜歡就充值下載吧。。資源目錄里展示的文件全都有，，請(qǐng)放心下載，，有疑問(wèn)咨詢QQ:414951605或者1304139763 ======================== Designation: F 104 03Standard Classification System forNonmetallic Gasket Materials1This standard is issued under the fixed designation F 104; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last 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 classification system2provides a means for speci-fying or describing pertinent properties of commercial nonme-tallic gasket materials. Materials composed of asbestos, cork,cellulose, and other organic or inorganic materials in combi-nation with various binders or impregnants are included.Materials normally classified as rubber compounds are notincluded, since they are covered in Classification D 2000.Gasket coatings are not covered, since details thereof areintended to be given on engineering drawings or in separatespecifications. While the facing materials for laminate compos-ite gasket materials (LCGM) are included in ClassificationSystem F 104, materials normally classified as LCGM are notcovered since they are included in Classification F 868.1.2 Since all of the properties that contribute to gasketperformance are not included, use of the classification systemas a basis for selecting materials is limited.1.3 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:D 2000 Classification System for Rubber Products in Auto-motive Applications2E 11 Specification for Wire-Cloth Sieves for Testing Pur-poses3F 36 Test Method for Compressibility and Recovery ofGasket Materials2F 37 Test Methods for Sealability of Gasket Materials2F 38 Test Methods for Creep Relaxation of a Gasket Mate-rial2F 146 Test Methods for Fluid Resistance of Gasket Materi-als2F 147 Test Method for Flexibility of Non-Metallic GasketMaterials2F 148 Test Method for Binder Durability of Cork Compo-sition Gasket Materials2F 152 Test Methods for Tension Testing of NonmetallicGasket Materials2F 433 Practice for Evaluating Thermal Conductivity ofGasket Materials2F 607 Test Method for Adhesion of Gasket Materials toMetal Surfaces2F 868 Classification for Laminated Composite Gasket Ma-terials2G 21 Practice for Determining Resistance of SyntheticPolymeric Materials to Fungi43. Significance and Use3.1 This classification is intended to encourage uniformityin reporting properties; to provide a common language forcommunications between suppliers and consumers; to guideengineers and designers in the test methods commonly used forcommercially available materials; and to be versatile enough tocover new materials and test methods as they are introduced.3.2 It is based on the principle that nonmetallic gasketmaterials should be described, insofar as is possible, in terms ofspecific physical and mechanical characteristics, and that aninfinite number of such descriptions can be formulated by useof one or more standard statements based on standard tests.Therefore, users of gasket materials can, by selecting differentcombinations of statements, specify different combinations of1This classification is under the jurisdiction of ASTM Committee F03 onGaskets and is the direct responsibility of Subcommittee F03.30 on Classification.Current edition approved April 10, 2003. Published May 2003. Originallyapproved in 1968. Last previous edition approved in 2002 as F 104 02e1.2Annual Book of ASTM Standards, Vol 09.02.3Annual Book of ASTM Standards, Vol 14.02.4Annual Book of ASTM Standards, Vol 14.04.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.properties desired in various parts. Suppliers, likewise, canreport properties available in their respective products.4. Basis of Classification4.1 To permit “l(fā)ine call-out” of the descriptions mentionedin 3.2, this classification system establishes letter or numbersymbols or both for various performance levels of eachproperty or characteristic (see Table 1)5.4.2 In specifying or describing gasket materials, each“ linecall-out” shall include the number of this system (minus datesymbol) followed by the letter “F” and six numerals, forexample: ASTM F 104 (F125400). Since each numeral of thecall-out represents a characteristic (as shown in Table 1), sixnumerals are always required. The numeral “0” is used whenthe description of any characteristic is not desired. The numeral“9” is used when the description of any characteristic (or testrelated thereto) is specified by some supplement to thisclassification system, such as notes on engineering drawings.4.3 To further specify or describe gasket materials, each“l(fā)ine call-out” may include one or more suffix letter-numeralsymbols, as listed in Table 2, for example: ASTM F104(F125400-B2M4). Various levels of definition may be estab-lished by increasing or decreasing the number of letter-numeralsymbols used in the “l(fā)ine call-out.”4.4 For convenience, gasket materials are referred to byType according to the principal fibrous or particulate reinforce-ment or other material from which the gasket is made and byClass according to the manufacturing method, or the commontrade designation. Type numbers correspond with the firstnumeral, and class numbers correspond with the secondnumeral of the basic six-digit line call-out, as shown in Table1.NOTE1While this “cell-type” format provides the means for closecharacterization and specification of each property and combinations ofproperties for a broad range of materials, it is subject to possiblemisapplications, since impossible property combinations can be coded ifthe user is not familiar with available commercial materials. Table X1.1 ofthis classification indicates properties, characteristics, and test methodsthat are normally considered applicable to each type of material.5. Physical and Mechanical Requirements5.1 Gasket materials identified by this classification shallhave the characteristics or properties indicated by the first sixnumerals of the line call-out, within the limits shown in Table1, and by additional letter-numeral symbols shown in Table 2.6. Thickness Requirements6.1 Gasket materials identified by this classification systemshall conform to the thickness tolerances specified in Table 3.7. Sampling7.1 Specimens shall be selected from finished gaskets orsheets of suitable size, whichever is the more practicable. Ifsheets are used, they shall, where applicable, be cut squarelywith the grain of the stock, and the grain direction shall benoted by an arrow. If finished gaskets are used, the dimensionsof sample and any variations from method must be reported.7.2 For qualification purposes, thickness shall be 0.8 mm(0.03 in.), except for Type 2, where the qualification thicknessis to be 1.5 to 6.4 mm (0.06 to 0.25 in.), and Type 5 Class 1,where the qualification thickness is to be 0.4 mm (0.015 in.).When thicknesses other than those shown above are to betested, the specification limits shall be agreed to in writingbetween the purchaser and the supplier.7.3 Sufficient specimens shall be selected to provide aminimum of three determinations for each test specified. Theaverage of the determinations shall be considered as the result.8. Conditioning8.1 Prior to all applicable tests, specimens shall be condi-tioned as follows:8.1.1 When the first numeral of line call-out is “1” (Type 1materials), specimens shall be conditioned in an oven at 100 62C (212 6 3.6F) for 1 h and allowed to cool to 21 to 30C(70 to 85F) in a desiccator containing anhydrous calciumchloride; except when second numeral of line call-out is “3”(Class 3 materials), the specimens shall be conditioned in anoven for 4 h at 100 6 2C (212 6 3.6F).8.1.2 When the first numeral of line callout is “2” (Type 2materials), specimens shall be conditioned at least 46 h in acontrolled-humidity room or in a closed chamber with gentlemechanical circulation of the air at 21 to 30C (70 to 85F) and50 to 55 % relative humidity.NOTE2If a mechanical means of maintaining 50 to 55 % relativehumidity is not available, a tray containing a saturated solution of reagentgrade magnesium nitrate, Mg(NO3)6H2O, shall be placed in the chamberto provide the required relative humidity.8.1.3 When the first numeral of line callout is “3” (Type 3materials), specimens shall be preconditioned for 4 h at 21 to30C (70 to 85F) in a closed chamber containing anhydrouscalcium chloride as a desiccant. The air in the chamber shall becirculated by gentle mechanical agitation. Specimens shall thenbe transferred immediately to a controlled-humidity room orclosed chamber with gentle mechanical circulation of the airand conditioned for at least 20 h at 21 to 30C (70 to 85F) and50 to 55 % relative humidity.8.1.4 When the first numeral of a line callout is “4,” noconditioning of specimens is necessary.8.1.5 When the first numeral of a line callout is “5,” “7,” or“8,” test specimens shall be conditioned in accordance with8.1.1 (Type 1 materials).8.1.6 When the first numeral of a line callout is “0” or “9,”specimens shall be conditioned as in 8.1.3, unless otherwisespecified in supplements to this classification.8.2 In all cases where testing is conducted outside the areaof specified humidity, specimens shall be removed from thechamber one at a time just prior to testing.9. Test Methods9.1 Thickness:9.1.1 Measure the specimens with a device actuated by adead-weight load. The device shall be capable of reading in5IRM 903 is available from R.E. Carrol, Inc. P.O. Box 5806, Trenton, NJ 08638.The user should be aware that results may differ from results using ASTM Oil No.3.ASTM Oil No. 3 is no longer commercially available due to potential health risksassociated with its use. IRM 903 has been approved by Committee D-11 as areplacement for ASTM Oil No. 3.F 104 032TABLE 1 Basic Physical and Mechanical CharacteristicsBasic Six-Digit NumberBasic CharacteristicFirst Numeral“Type”of material(the principal fibrous, particulate, or reinforcement material from which the gasket is made) shall conform to thefirst numeral of the basic six-digit number, as follows:0 = not specified5 = flexible graphite1 = asbestos7 = nonasbestos fiber, tested as Type 12 = cork8 = vermiculite3 = cellulose9 = as specifiedA4 = fluorocarbon polymerSecond NumeralClass of material(method of manufacture or common trade designation) shall conform to the second numeral of the basic six-digitnumber, as follows:Whenfirstnumeral is “0” or “9,” second numeral:0 = not specified9 = as specifiedAWhenfirstnumeral is “1” or “7,” second numeral:0 = not specified1 = compressed sheeter process2 = beater process3 = paper and millboard9 = as specifiedAWhenfirstnumeral is “2,” second numeral:0 = not specified1 = cork composition (Class 1)2 = cork and elastomeric (Class 2)3 = cork and cellular rubber (Class 3)9 = as specifiedAWhenfirstnumeral is “3,” second numeral:0 = not specified1 = untreated fibertag, chipboard, vulcanized fiber, etc. (Class 1)2 = protein treated (Class 2)3 = elastomeric treated (Class 3)4 = thermosetting resin treated (Class 4)9 = as specifiedAWhenfirstnumeral is “4,” second numeral:0 = not specified1 = sheet PTFE2 = PTFE of expanded structure3 = PTFE filaments, braided, or woven4 = PTFE felts5 = filled PTFE9 = as specifiedWhenfirstnumeral is “5” or “8,” second numeral:0 = not specified1 = homogeneous sheet2 = laminated sheet9 = as specifiedAThird NumeralCompressibility characteristics, determined in accordance with Test Method F 36, shall conform to the percent indicated by the thirdnumeral of the basic six-digit number. (Example: 4 = 15 to 25 %)0 = not specified5 = 20 to 30 %1 = 0 to 10 %6 = 25 to 40 %2 = 5 to 15 %*7 = 30 to 50 %3 = 10 to 20 %8 = 40 to 60 %4 = 15 to 25 %9 = as specifiedA* 7 to 17 % for compressed sheeter processFourth NumeralThickness increase when immersed in IRM 903 Oil:5determined in accordance with Test Method F 146, shall conform to the percentindicated by the fourth numeral of the basic six-digit number. (Example: 4 = 15 to 30 %)0 = not specified5 = 20 to 40 %1 = 0 to 15 %6 = 30 to 50 %2 = 5 to 20 %7 = 40 to 60 %3 = 10 to 25 %8 = 50 to 70 %4 = 15 to 30 %9 = as specifiedAFifth NumeralWeight increase when immersed in IRM 903 Oil:5determined in accordance with Test Method F 146, shall conform to the percentindicated by the fifth numeral of the basic six-digit number. (Example: 4 = 30 % max)0 = not specified5 = 40 %, max1 = 10 %, max6 = 60 %, max2 = 15 %, max7 = 80 %, max3 = 20 %, max8 = 100 %, max4 = 30 %, max9 = as specifiedASixth NumeralWeight increase when immersed in water:determined in accordance with Test Method F 146, shall conform to the percent indicatedby the sixth numeral of the basic six-digit number. See left and below. (Example: 4 = 30 %, max)0 = not specified5 = 40 %, max1 = 10 %, max6 = 60 %, max2 = 15 %, max7 = 80 %, max3 = 20 %, max8 = 100 %, max4 = 30 %, max9 = as specifiedAAOn engineering drawings or other supplement to this classification system.F 104 033TABLE 2 Supplementary Physical and Mechanical CharacteristicsSuffix SymbolSupplementary CharacteristicsA9Sealabilitycharacteristics shall be determined in accordance with Test Method F 37. External load, internal pressure, otherdetails of test, and results shall be as specified on engineering drawing or other supplement to this classification.B1 through B9Creep relaxationcharacteristics shall be determined in accordance with Test Method F 38. Loss of stress at end of 24 h shallnot exceed the amount indicated by the numeral of the B-symbol.B1 = 10 %B5 = 30 %B2 = 15 %B6 = 40 %B3 = 20 %B7 = 50 %B4 = 25 %B8 = 60 %B9 = as specifiedAD00 through D99The former ASTM standard F 64, Test Method for Corrosive and Adhesive Effects of Gasket Materials on Metal Surfaces,was discontinued in 1980. The newly established test for adhesion has become Test Method F 607.E00 through E99Weight and thickness change after immersion in ASTM Fuel Bshall be determined in accordance with Test Method F 146.Weight increaseshall not exceed the standard rating number indicated by thefirstnumeral of the two-digit number of theE-symbol.Thickness increaseshall not exceed the standard rating number indicated by thesecondnumeral of theE-symbol.Weight Increase, %(first numeral)Thickness Increase, %(second numeral)E0_ = not specifiedE_0 = not specifiedE1_ = 10E_1 = 05E2_ = 15E_2 = 010E3_ = 20E_3 = 015E4_ = 30E_4 = 520E5_ = 40E_5 = 1025E6_ = 60E_6 = 1535E7_ = 80E_7 = 2545E8_ = 100E_8 = 3060E9_ = as specifiedAE_9 = as specifiedAHAdhesioncharacteristics shall be determined in accordance with Test Method F 607. Results shall be as specified onengineering drawing or other supplement to this classification.K1 through K9THERMAL CONDUCTIVITYcharacteristics shall be determined in accordance with Practice F 433 using a temperature of100 6 2C (212 6 3.6F). Thek-factor obtained in W/(mK) Btuin./hft2F shall fall within the ranges indicated by thenumeral of a K symbol.K1 = 0 to 0.09 (0 to0.65)K5 = 0.29 to 0.38 (2.00to 2.65)K2 = 0.07 to 0.17(0.50 to 1.15)K6 = 0.36 to 0.45 (2.50to 3.15)K3 = 0.14 to 0.24(1.00 to 1.65)K7 = 0.43 to 0.53 (3.00to 3.65)K4 = 0.22 to 0.31(1.50 to 2.15)K8 = 0.50 to 0.60 (3.50to 4.15)K9 = as specifiedAL000 through L999Type 7, Class 1 or Class 2 materials.First fiberconstituent indicated by thefirstnumeral of the three-digit number of theL-symbol.Second fiberconstituent indicated by thesecondnumeral of the three-digit number of the L-symbol.Binderconstituent indicated by thethirdnumeral of the three-digit number of the L-symbol.First Fiber(first numeral)Second Fiber(second numeral)Binder(third numeral)L0 = not specifiedL0 = not specifiedL0 = not specifiedL1 = AramidL1 = AramidL1 = NBRL2 = GlassL2 = GlassL2 = SBRL3 = CarbonL3 = CarbonL3 = CRL4 = GraphiteL4 = GraphiteL4 = EPDML5 = Mineral/InorganicL5 = Mineral/InorganicL5 = IRL6 = CelluloseL6 = CelluloseL6 = CSML9 = as specifiedAL7 = noneL9 = as specifiedAL9 = as specifiedAM1 through M9Tensile strengthcharacteristics shall be determined in accordance with Test Method F 152 and 9.2. Results in MPa (psi)shall be no less than the value indicated by the numeral of the M-symbol.M1 = 0.689 (100)M5 = 10.342 (1500)M2 = 1.724 (250)M6 = 13.790 (2000)M3 = 3.447 (500)M7 = 20.684 (3000)M4 = 6.895 (1000)M8 = 27.579 (4000)M9 = as specifiedARBinder Durabilitycharacteristics shall be determined in accordance with Test Method F 148. There shall be no evidence ofdisintegration at conclusion of test.S9Volume changecharacteristics, when immersed in ASTM No. 1 Oil, IRM 903 Oil,5and ASTM Reference Fuel A, shall bedetermined in accordance with Test Method F 146. Results shall be as specified on engineering drawing or other supplementto this classification.TFlexibilitycharacteristics shall be determined in accordance with Test Method F 147. There shall be no evidence of cracks,breaks, or separation at conclusion of test.WMildew Resistanceshall be determined for visual effects only as described in Sections 9.3 and 9.3.1 of Practice G 21. Theonly fungus shall be Chaetomium globosum, see Section 6.4.1 of Practice G 21. The test unit from which specimens weretaken shall be considered defective if one or more of the specimens tested has a rating higher than 0. Specimens takenfrom gaskets and strips shall be 2 in. long and the approximate width of the material undergoing testing.ZOther characteristicsshall be as specified on engineering drawing or other supplement to this classification.AOn engineering drawing or other supplement to this classification.F 104 0340.02-mm (0.001-in.) or smaller units, and readings shall beestimated to the nearest 0.002 mm (0.0001 in.). The presserfoot shall be 6.40 6 0.13 mm (0.252 6 0.005 in.) in diameter.The anvil shall have a diameter not less than that of the presserfoot. The pressure on the sample shall be as specified in Table4.9.1.2 Take the reading by lowering the presser foot gentlyuntil it is in contact with the specimen. Take a sufficientnumber of readings, depending on the size of the specimen, toprovide a reliable average value.9.2 Other Types of Materials (as indicated by 0 or 9 firstnumeral of basic six-digit number)Use the same apparatusand general procedure outlined for Type 3 materials, unlessotherwise specified in the engineering drawing or other supple-ment to this classification.10. Keywords10.1 classification; description; gasket; line call-out; non-metallic gasket; physical and mechanical properties; specifica-tion; testingAPPENDIX(Nonmandatory Information)X1. APPLICABLE TEST METHODSX1.1Table X1.1 indicates properties, characteristics, andtest methods that are normally considered applicable to eachtype of material. It is not intended to limit the use ofnumeral-symbols as provided in Classification System F 104where experience indicates that the related properties, charac-teristics, or test methods, or all, are applicable.X1.2Table X1.2 is being provided to offer an explanationof the system of identification of gasket materials previouslyused in Specifications D 1170 which has been superseded byClassification System F 104.X1.3 Tables X1.3-X1.5 are also retained in thisAppendix toprovideareferenceforconvertingformerlyusedP-identification numbers into the present Classification SystemF 104. These conversions are shown in Tables X1.6-X1.8.TABLE 3 Thickness TolerancesType and Class of Material(First Two Numerals of BasicSix-Digit Number)Thickness Specified, mm (in.)Applicable Tolerance,Amm (in.)11, 12, 71 and 720.41 (0.016) and under+0.13 (+0.005)0.05 (0.002)over 0.41 (0.016