1、Designation: D6261 10D6261 13Standard Specification forExtruded and Compression Molded Basic Shapes Madefrom Thermoplastic Polyester (TPES)1This standard is issued under the fixed designation D6261; the number immediately following the designation indicates the year oforiginal adoption or, in the ca
2、se of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis specification is intended to be a means of calling out mechanical grade plastic produ
3、ct used inthe fabrication of end items or parts.1. Scope Scope*1.1 This specification covers requirements and test methods for the material, dimensions, and workmanship, and the propertiesof extruded and compression molded plate, rod and tubular bar manufactured from thermoplastic polyester.1.2 The
4、properties included in this specification are those required for the compositions covered. Use the classification systemgiven in Section 4 to describe requirements necessary to identify particular characteristics important to specialized applications.1.3 This specification allows the use of recycled
5、 plastics2 (see Section 4).1.4 The values are stated in inch-pound units and are regarded as the standard in all property and dimensional tables. Forreference purposes, SI units are also included in Table 1 and Table S-TPES only.1.5 The following precautionary caveat pertains only to the test method
6、 portions sections of this specification.This standard doesnot purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standardto establish appropriate safety and health practices and determine the applicability of regulatory limit
7、ations prior to use.NOTE 1There is no known ISO equivalent to this specification.2. Referenced Documents2.1 ASTM Standards:3D256 Test Methods for Determining the Izod Pendulum Impact Resistance of PlasticsD618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of P
8、lasticsD790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating MaterialsD883 Terminology Relating to PlasticsD3892 Practice for Packaging/Packing of PlasticsD4507 Specification for Thermoplastic Polyester (TPES) Materials (Withdrawn 1999)4D4000 Cla
9、ssification System for Specifying Plastic MaterialsD5033 Guide for Development of ASTM Standards Relating to Recycling and Use of Recycled Plastics (Withdrawn 2007)4D5927 Classification System for Thermoplastic Polyester (TPES) Injection and Extrusion Materials Based on ISO Test MethodsD7209 Guide f
10、or Waste Reduction, Resource Recovery, and Use of Recycled Polymeric Materials and Products2.2 ANSI Standard:Z1.4-1993 Sampling Procedures and Tables for Inspection by Attributes51 This specification is under the jurisdiction of ASTM Committee D20 on Plastics and is the direct responsibility of Subc
11、ommittee D20.20D20.15 on PlasticLumberThermoplastic Materials (Section D20.20.02).D20.15.21).Current edition approved June 1, 2010Oct. 1, 2013. Published August 2010October 2013. Originally approved in 1998. Last previous edition approved in 20032010 asD6261 - 98D6261 - 10.(2003). DOI: 10.1520/D6261
12、-10.10.1520/D6261-13.2 As defined in Guide D5033D7209.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.4 The l
13、ast approved version of this historical standard is referenced on www.astm.org.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequat
14、ely depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM Int
15、ernational, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13. Terminology3.1 Definitions:3.1.1 For definitions of other technical terms pertaining to plastics used in this specification, see Terminology D883 or GuideD5033D7209.3.2 Definitions of Terms Specific to
16、 This Standard:3.2.1 plate, nflat stock 14 in. (6.4 mm) or greater.3.2.2 recycled-plastic shape, na product made from up to 100 % recycled plastic.3.2.3 rod, nan extruded a solid cylindrical shape with a minimum diameter of 18 in. (3.2 mm).3.2.4 tubular bar, nan extruded annular shape with minimum i
17、nside diameter of 38 in. (9.6 mm) and minimum wall thicknessof 116 in. (1.6 mm).4. Classification and Material4.1 Product shape and size as defined in the applicable purchase order.4.2 This specification covers product extruded and compression molded as listed in Table S-TPES. Products included in t
18、hedesignations reference Specification D4507 or Specification D5927 callouts where applicable.4.2.1 Categorize the type of thermoplastic polyester shape product by type, grade, and class depending on resin and fillercompositions as defined in Table S-TPES.4.2.2 Use the following sections to categori
19、ze each type of thermoplastic polyester shape into one of several grades:4.2.2.1 Grade 1General PurposeExtruded or compression molded product made using only 100 % virgin thermoplasticpolyester resin.4.2.2.2 Grade 2RecycledExtruded or compression molded product made using any amount up to 100 % recy
20、cledthermoplastic polyester plastics.4.3 The type, class and grade is further differentiated based on dimensional stability (elevated temperature excursion test), TableS-TPES, and dimensional requirements, Tables A and B.4.4 Property Tables:4.4.1 Use Table S-TPES to describe both extruded or compres
21、sion molded products.4.4.2 Use Table 1 also to describe extruded or compression molded products not included in Table S-TPES via a cell calloutthat includes the applicable Table S-TPES thermoplastic polyester type and specific properties (Designations 1 through 7).4.4.3 To facilitate the incorporati
22、on of future or special materials not covered by the Table S-TPES, the “as specified” category(00) for type, class and grade is shown in the table with the basic properties to be obtained from Table 1, as they apply.4.4.4 Reinforcements and Additive MaterialsAsymbol (single-letter) will be used for
23、the major reinforcement or combination,or both, along with two numbers that indicate the percentage of addition by mass with the tolerances as tabulated below. This mustbe included in all Table 1 callouts.Symbol MaterialTolerance(Based on the Total Mass)C Carbon and graphite fiberreinforced 2 %G Gla
24、ss-reinforced15 % glass content 3 %L Lubricants (for example,PTFE, graphite andsiliconeby agreement between the supplierand the userM Mineral 2 %R Combinations ofreinforcements orfillers, or both 3 % for the total reinforcement4.5 Callout DesignationA one-line system shall be used to specify thermop
25、lastic polyester materials covered by thisspecification. The system uses pre-defined cells to refer to specific aspects of this specification as illustrated below:4.5.1 Examples:4.5.1.1 Example 1Product made from general purpose PBTCELL CALLOUT: S-TPES0111S-TPES01 = Product made from PBT in accordan
26、ce with TableS-TPES1 = Unfilled class1 = General purpose grade product4.5.1.2 Example 2Product made from general purpose PETD6261 132CELL CALLOUT: S-TPES0211S-TPES02 = Product made from PET in accordance with TableS-TPES1 = Unfilled class1 = General purpose grade product4.5.2 These two examples illu
27、strate how a one-line, alpha-numeric sequence can identify the product composition, commercialparameters and physical characteristics of extruded or compression molded product. A space must be used as a separator betweenthe specification number and the type designation. No separators are needed betw
28、een type, class and grade. When special notesare to be included, such information shall be preceded by a comma. Special tolerances must be noted at time of order and areinserted after the grade in parentheses and preceded by a comma.5. Ordering Information5.1 All shapes covered by this specification
29、 shall be ordered using the proper callout designation (see 4.5).6. Physical Property Requirements6.1 The physical property values listed within this specifications tables are to be considered minimum specification values.Anyrequirement for specific test data for a given production lot shall be spec
30、ified at the time of order. Use Table 1 to specify physicalproperties for extruded or compression molded products not yet included in Table S-TPES.7. Dimensional Requirements7.1 The type, class and grade is differentiated based on dimensional stability (elevated temperature excursion test), as indic
31、atedin Table S-TPES.7.2 Products shall be produced within commercial tolerances and with the lowest stress levels for machined parts as delineatedin Tables A and B.7.3 Tubular bar dimensions shall be supplied in the unfinished condition, unless otherwise specified at time of order, sufficientto fini
32、sh to the nominal dimension ordered.7.4 The maximum allowable camber or bow or both, shall be within the limits referenced in Tables A and B.8. Workmanship, Finish, and Appearance8.1 AppearanceThe resin material color is white to off-white. The product color shall be as published by the shapesmanufa
33、cturer. They shall be uniform in color throughout the thickness. The specific colors and color matching shall only be asagreed to by order. It is possible that other colors will affect physical properties.8.2 FinishAll products shall be free of blisters, wrinkles, cracks, gouges and defects that res
34、trict commercial use of theproduct. Special surface finish shall be supplied only when specified in the purchase order or contract.8.3 DefectsAll products shall be free of voids, dirt, foreign material and embedded particles exceeding 132 in. (0.8 mm)maximum diameter as defined in 8.3.1.8.3.1 The cr
35、iteria for determining the internal cleanliness shall be external visual inspection.Amaximum number of two internaldefects per square foot of plate and one foot length of rod and tubular bar are allowed. Clusters of defects less than 132 in. (0.8mm) diameter are to be counted as a single defect.9. S
36、ampling9.1 Sampling shall be statistically adequate to satisfy the requirements of this specification as applicable (see ANSIZ1.4-1993).applicable.9.2 For purposes of sampling, an inspection lot for examination and tests shall consist of all material of the same type, class,grade and nominal size su
37、bmitted for inspection at one time.10. Number of Tests10.1 Routine lot inspection shall consist of all the criteria specified in the applicable product tables.10.2 The criteria listed in these product tables and definitions are sufficient to establish conformity of the sheet, plate, rod ortubular ba
38、rs to this specification. When the number of test specimens is not stated in the test method, it is acceptable to make asingle determination. If more than single determinations and separate portions of the same sample are made, the results shall beaveraged. The final result shall conform to the requ
39、irements prescribed in this specification.11. Test Conditions11.1 Conditioning of SpecimensThe specification values and dimensions are based on conditioning techniques outlined inProcedure A of Practice D618.D6261 13311.2 Standard TemperatureThe tests shall be conducted at the standard laboratory te
40、mperature of 73.4 6 3.6F (23 6 2C)and 50 6 5 %10 % relative humidity.12. Test Methods12.1 Tensile stress break, elongation at break, and tensile modulus (tangent) are in accordance with Test Method D638, at therate of 0.2 in. (5 mm)/min.12.1.1 All plate specimens are in accordance with Test Method D
41、638, Type I.12.1.2 All rod specimens are in accordance with Test Method D638.12.1.3 All tubular bar specimens are in accordance with Test Method D638.12.2 Dimensional Stability:12.2.1 Specimen Preparation (a Minimum of Three Test Samples Required):12.2.1.1 Rods and Tubular BarPrepare each specimen b
42、y cutting a 1.5 in. (35 mm) long slice from the shape to be tested.Machine the slice using a coolant and good machining practices to a length of 1000 6 0.005 in. (25 6 0.13 mm). Each end ofthe specimen shall have a machined surface.12.2.1.2 PlateEach specimen shall consist of a 2 in. (50 mm) diamete
43、r disc machined from the flat (diameter shall equal testspecimen thickness with a minimum of 2.0 in. (50 mm). The same care shall be used in the machining as described in 12.1.1. Thethickness of the specimen shall be that of the original flat from which it was cut, no machining being done on the top
44、 or bottomfaces.12.2.2 Testing ProcedureMeasure the outside diameter and thickness or length of the specimen as applicable at 73.4 6 1.8F(23 6 1C) to the nearest 0.0001 in. (0.0025 mm). All measurements shall be done on the centerline and 90 from the center linefor plate. Also take measurements for
45、thickness halfway to center, and for diameter at mid-point. Place the specimen in a bathconsisting of polyalkylene glycol or an air circulating oven heated to the temperatures shown below.After 6 h, allow the specimento slowly cool to room temperature at a rate not to exceed 40F (22C)/h. Measure the
46、 specimen at 73.4 6 1.8F (23 6 1C) andcalculate the percent change in each dimension:30065F 14963C! (1)12.2.3 ReproducibilityInter-laboratory reproducibility is being determined and will be added within one year. PrecisionStatement will be finalized and included within two years.12.3 Lengthwise Camb
47、er and Widthwise Bow:12.3.1 Make all measurements for camber and bow using the maximum distance rod, sheet or plate deviates from the straightline extended from edge to edge when measured in accordance with 12.3.2. The shape shall be oriented such that the weight ofthe product doesnt influence the r
48、esults.12.3.2 Rod and Plate:12.3.2.1 RodLay each rod on its side and measure it with concave side facing a straight edge. Measure camber from thestraight edge to the maximum concave point on the rod. Camber shall not exceed the values of Table A.12.3.2.2 PlatePlate shall not exceed the requirements
49、of Table B on the lengthwise ends and widthwise edges when laid ona flat surface (crown side up).12.3.3 ReproducibilityInter-laboratory reproducibility is being determined and will be added within one year. Precisionstatement will be finalized and included within two years.12.4 Squareness (Based on a 4 ft Nominal Length):12.4.1 Measure and compare diagonal lengths (corner to corner).Accept the product if the difference is 116 in. (0.4 mm) or lessand the measured minimums diagonal meets the following requirements12.4.1.1 1 ft wid
