1、Designation: D 7292 06Standard Specification forExtruded, Compression-Molded, and Injection-Molded BasicShapes of Polyamide-Imide (PAI)1This standard is issued under the fixed designation D 7292; the number immediately following the designation indicates the year oforiginal adoption or, in the case
2、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.1. Scope1.1 This specification covers requirements and methods oftest for the material, dimensions, and
3、workmanship of ex-truded, compression molded, and injection molded parts manu-factured from PAI.1.2 The properties included in this specification are thoserequired for the compositions covered. Requirements neces-sary to identify particular characteristics important to special-ized applications are
4、described by the classification systemgiven in Section 5.1.3 This specification allows for the use of recycled mate-rials provided that specification requirements based upon thisspecification are met.1.4 The values stated in inch pound units are to be regardedas standard in all property and dimensio
5、nal tables. For refer-ence purposes, SI units and conversion factors are also in-cluded.1.5 The following precautionary caveat pertains only to thetest method portion Section 11, of this specification. Thisstandard does not purport to address all of the safety concerns,if any, associated with its us
6、e. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.NOTE 1There is no known ISO standard equivalent to this standard.2. Referenced Documents2.1 ASTM Standards:2D 256 Test M
7、ethods for Determining the Izod PendulumImpact Resistance of PlasticsD 618 Practice for Conditioning Plastics for TestingD 638 Test Method for Tensile Properties of PlasticsD 790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating MaterialsD 792 Test
8、 Methods for Density and Specific Gravity (Rela-tive Density) of Plastics by DisplacementD 883 Terminology Relating to PlasticsD 1708 Test Method for Tensile Properties of Plastics byUse of Microtensile SpecimensD 3418 Test Method for Transition Temperatures of Poly-mers By Differential Scanning Cal
9、orimetryD 3892 Practice for Packaging/Packing of PlasticsD 4000 Classification System for Specifying Plastic Mate-rialsD 5033 Guide for Development of ASTM Standards Relat-ing to Recycling and Use of Recycled PlasticsD 5204 Classification System for Polyamide-Imide (PAI)Molding and Extrusion Materia
10、ls2.2 ANSI Standard:3Z1.4-1993 Sampling Procedure and Tables for Inspectionby Attributes3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 finished product (F), na product that meets thedimensional criteria of Tables A and B in this specification.3.1.2 plate, nflat stock greater
11、than316 in. 4.76 mm.3.1.3 recycled plastic shape, na product made from up to100 % recycled plastic.3.1.4 rod, nsolid extruded cylindrical shape with a mini-mum diameter of332 in. 2.38 mm.3.1.5 virgin plastic shape, na shape produced entirely ofplastic resin that has not been melt processed more than
12、 once.3.2 Additional Definitions:3.2.1 For definitions of other technical terms pertaining toplastics used in this specification, see Terminology D 883 orGuide D 5033.4. Applications4.1 Typical applications for these parts are for products thatrequire low coefficient of friction, good thermal resist
13、ance, andtoughness up to 250C. However, usage is not limited to these1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.20 on Plastic Products(Section 20.20.02).Current edition approved Nov. 1, 2006. Published November
14、2006.2For referenced 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.3Available from American National Standards Institute (A
15、NSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.applications. Specific grades are designed for high strength,wear resistance, low coefficient of friction and rein
16、forced forimproved load bearing capacity and non-abrasive wear.5. Classification and Material5.1 Product shape and size as defined in the applicablepurchase order.5.2 This specification covers product manufactured as listedin Table S-PAI. Products included in the designations referenceClassification
17、 System D 5204 callouts where applicable.5.2.1 The PAI material used in the product is normallycategorized by type, grade, and class depending on resin andfiller compositions as defined in Table S-PAI.5.3 The type, class, and grade are further differentiatedbased on Table S-PAI, Table A, and dimensi
18、onal requirements,Table I.5.4 Property Tables:5.4.1 Table S-PAI is be used to describe manufactured parts.5.4.2 Table I is also be used to describe products notincluded in Table S-PAI via a cell callout that includes theapplicable Table A type and specific properties.5.4.3 To facilitate the incorpor
19、ation of future or specialmaterials not covered by the Table S-PAI, the “other” category(00) for type, class and grade is shown on the table with thebasic properties to be obtained from Table I, as they apply.5.4.4 Reinforcements and Additive MaterialsA symbol(single letter) is to be used for the ma
20、jor reinforcement orcombination, or both, along with two numbers which indicatethe percentage of addition by mass with the tolerances astabulated below. This must be included in all Table I callouts.Symbol Material Tolerance(Based on the Total Mass)C Carbon andgraphite fiber62%G Glass fiber 62%L Lub
21、ricants (for example,PTFE, graphite, siliconeand molybdenum disulfide)By agreement betweensupplier and userM Mineral 62%R Combinations ofreinforcements orfillers, or both63%5.5 Callout DesignationA one-line system shall be usedto specify PAI parts covered by this specification. The systemuses predef
22、ined cells to refer to specific aspects of thisspecification, as illustrated below:5.5.1 Description:5.5.1.1 Example 1Extruded PAI rod:CELL CALLOUT: S-PAI0111S-PAI01 = Extruded Product made from PAI resin in accordance withTable S-PAI1 = Class: Electrical grade1 = Grade: PAI011M03 as specified in Ta
23、ble S-PAI5.5.1.2 Example 2Product made from injection moldedglass filled PAI material:CELL CALLOUT: S-PAI0231S-PAI02 = Injection molded product made from PAI resin as speci-fied in Table S-PAI3 = Class: glass reinforced1 = Grade: PAI013G30 as specified in table S-PAI5.5.2 The two examples illustrate
24、 how a one-line, alphanu-meric sequence can identify the product composition, commer-cial parameters, and physical characteristics of extruded orinjection molded product. A space must be used as a separatorbetween the specification number and the type designation. Noseparators are needed between typ
25、e, class, and grade. Whenspecial notes are to be included, such information shall bepreceded by a comma. Special tolerances must be noted at timeof order and are inserted after the grade in parenthesis andpreceded by a comma.D7292062TABLE S-PAI Additional Detailed Requirementsfor Extruded/Injection
26、Molded PAI ShapesType Description Class Description Grade ApplicableD 5204CalloutUltimateTensileStrength,min. psi MPaElongationat Break,% min.SpecificGravity01ExtrudedShapes1 ElectricalGrade1 PAI021M03 17 00011710 1.381.442 BearingGrade1 PAI022L15 12 000833 1.431.483 30 % GlassFiber1 PAI023G30 18 00
27、01242 1.571.624 30 % CarbonFiber1 PAI023C30 8000 55 2 1.441.490 Other 0 As Specified02InjectionMoldedShapes1 ElectricalGrade1 PAI011M032 BearingGrade1 PAI012L153 30 % GlassFiber1 PAI013G300 Other 0 As Specified03 CompressionMolded1 ElectricalGrade1 PAI000M30 10 000692 1.381.442 BearingGrade1 PAI000L
28、15 10 000692 1.431.480 Other 0 As Specified00 Other 0 Other 0 As SpecifiedTABLE A Dimenstional Requirements for Extruded PAI RodSize (in.) RoundnessTolerances (in.)Camber,max. (in.)4ft 8ft0.093 +0.003/-0 0.625 2.500.125 +0.003/-0 0.625 2.500.250A0.625 2.500.375A0.375 1.500.500A0.250 1.000.625A0.250
29、1.000.750A0.250 1.001.000A0.187 0.751.250A0.187 0.751.375A0.125 0.501.750A0.125 0.502.000A0.125 0.50ASupply oversized and machine to size.TABLE B Dimensional Requirements for Extruded PAI Sheets and PlatesNOTE 1Squareness requirements listed in 12.4.NOTE 2To convert inches to millimetres, multiply b
30、y 25.4Size Thickness (in.) Thickness Tolerance (in.) Length Camber Width Bow0.187 n.a. 0.50/4 ft 0.062/2 ft0.250 +0.025/-0 0.50/4 ft 0.062/2 ft0.375 +0.025/-0 0.50/4 ft 0.062/2 ft0.500 +0.025/-0 0.375/4 ft 0.062/2 ft0.625 +0.025/-0 0.375/4 ft 0.062/2 ft0.750 +0.025/-0 0.375/4 ft 0.062/2 ft1.000 +0.0
31、25/-0 0.25/4 ft 0.062/2 ftD7292063TABLE I Additional Detailed Requirementsfor Extruded/Injection Molded PAI ShapesDesignationOrderPropertyA0 1234 5 69B1 Tensilestrength,C,Dpsi, MPa, minUnspecified 10 0006912 0008314 0009716 00011020 00013825 000172Specifyvalue2 Elongation,C%, minUnspecified 5 10 20
32、50 100 200 Specifyvalue3 TensileModulus,Cpsi, MPa, minUnspecified 300 0002073400 0002760500 0003448600 0004137800 00055161 000 0006895Specifyvalue4 Flexuralmodulus,Epsi, MPa, minUnspecified 450 0003100550 0003792650 0004482)750 00051711 000 00068951 500 00010 343Specifyvalue5 IzodImpactF,Gft lb/in.,
33、J/m, minUnspecified 0.8431.0532.01073.01604.52406.0320Specifyvalue6 Glasstransitiontemperature (C)Unspecified 270 272 274 276 278 280 Specifyvalue7TobedeterminedUnspecified SpecifyvalueAPhysical property data were determined using injection molded or extruded (as applicable) and postcured specimens.
34、BIf a specific value is required it must be shown in the call-out.CSee Test Method D 638 using the Type I specimen.DMPa 3 145 = psi.ESee Test Method D 790, Method 1, Procedure A.FSee Test Method D 256, Method A, using the center portion of a Test Method D 638, Type I specimen.GJ/m 3 0.01873 = ft lb/
35、in.6. Physical Property Requirements6.1 The physical property values listed within this specifi-cations tables are to be considered minimum specificationvalues. Any requirement for specific test data for a givenproduction lot shall be specified at the time of order. Physicalproperties for products n
36、ot included in Table S-PAI shall bespecified using Table I for extruded and injection moldedproducts.7. Dimensional Requirements7.1 The type, class, and grade is further differentiated by theuse of Table S-PAI, and dimensional requirements, Tables Aand B. Products shall be produced within commercial
37、 toler-ances and with the lowest stress levels for machined parts asdelineated in Tables I and II for extruded or injection moldedproducts. The manner in which the tolerances are obtained isnot relevant.7.2 Tubular bar dimensions shall be supplied in the unfin-ished condition, unless otherwise speci
38、fied at the time of order.7.3 The maximum allowable camber, or bow, or both, shallbe within the limits referenced in Tables A and B.8. Workmanship, Finish, and Appearance8.1 AppearanceThe appearance of products shall be aspublished by the shapes manufacturer.8.2 FinishAll products shall be free of b
39、listers, wrinkles,cracks, gouges, and defects that restrict commercial use of theproduct. Special surface finish shall be supplied only whenspecified in the purchase order or contract.8.3 DefectsAll products shall be free of voids, dirt,foreign material, and embedded particles exceeding132-in.0.8-mm
40、 maximum diameter as defined below.8.3.1 The criteria for determining the internal cleanlinessshall be external visual inspection. A maximum number of twointernal defects per square foot of plate or sheet and one footlength of rod or tubular bar. Clusters of defects less than132-in.0.8-mm diameter a
41、re to be counted as a single defect.9. Sampling9.1 Sampling shall be statistically adequate to satisfy therequirements of this specification as applicable.9.2 For purposes of sampling, an inspection lot for exami-nation and tests shall consist of all material of the same type,class, and grade and no
42、minal size submitted for inspection atone time.10. Number of Tests10.1 Routine lot inspection shall consist of all the criteriaspecified in the applicable product tables.10.2 The criteria listed in these product tables and defini-tions are sufficient to establish conformity of the shape to thisspeci
43、fication. When the number of test specimens is not statedin the test method, a single determination is sufficient. If morethan a single determination is made, the results shall beaveraged. The final result shall conform to the requirementsprescribed in this specification.11. Test Conditions11.1 Cond
44、itioning of SpecimensThe specification valuesand dimensions are based on conditioning techniques outlinedin Procedure A of Practice D 618.11.2 Standard ConditionsThe tests shall be conducted atthe standard laboratory conditions of 73.4 6 3.6F 23 6 2Cand 50 6 5 % RH.D729206412. Test Methods12.1 Tensi
45、le stress at break, elongation at break, and tensilemodulus shall be determined in accordance with Test MethodD 638 at a rate of 0.1 in./min.12.2 Glass transition Tg in accordance with Test MethodD 3418.12.3 Specific gravity in accordance with Test MethodsD 792.12.4 Flexural Modulus in accordance wi
46、th Test MethodsD 790, specimen14-in. thick maximum.12.5 Izod Impact in accordance with Test Methods D 256,notched,14-in. thick maximum specimen.12.6 Lengthwise Camber and Widthwise Bow12.6.1 All measurements for camber and bow shall be madeusing the maximum distance that the rod, sheet, or platedevi
47、ates from the straight line extended from edge to edgewhen measured in accordance with 12.3.2. The shape shall beoriented such that the weight of the product does not influencethe results.12.6.2 RodThe rod shall be laid on its side and measuredwith the concave edge facing the straight edge. Camber i
48、smeasured from the straight edge to the maximum concavepoint on rod. Camber shall not exceed the values of TableAforextruded product.12.6.2.1 Plate Up to and Including58 -in. ThickPlate upto and including58 in. in thickness shall meet the requirementsof Table B for extruded parts when measured with
49、a straightedge.12.6.2.2 Plate Greater than58 -in. ThickPlate greaterthan58-in. thick shall not exceed the requirements of Table Bon lengthwise ends and widthwise edges when laid on a flatsurface (crown side up).12.7 Squareness (based on a 4-ft nominal length)12.7.1 Measure and compare the diagonal lengths (corner tocorner). Accept the product if the difference is116 in. or lessand the measured minimums diagonal meets the followingrequirements:(1) 1-ft wide is
