ASTM_D_3011_-_81_scan.pdf

90092b 0009549 bTO=Designation:D 301 1-81(STb.AMERICAN SOCIETY FOR TESTING AND MATERIALS Reprinted from the Annual Book of ASTM Standards,Copyright ASTM If not listed in the current combined index,will appear in the next edition.1916 Race St.,Philadelphia,Pa.19103 Standard Specification for REINFORCED AND FILLED POLYSTYRENE,STYRENE-ACRYLONITRILE,AND ACRY LONITRILE-BUTADIENE-STYRENE INJECTION MOLDING AND EXTRUSION MATERIALS This standard is issued under the fixed designation D 301 I;the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.scope 1.1 This specification covers reinforced and fuled polystyrene,styrene-acrylonitrile,and acrylonitrile-butadiene-styrene materiais suita-ble for injection molding or extrusion,or both.They consist of styrenic materiais to which have been added other materials to serve as reinforcements or fillers from the group:glass(fibers,beads,or other structural form),TFE-fluorocarbon resin,asbestos.1.2 This specification provides for the divi-sion of reinforced and filled polystyrene,sty-rene-acrylonitrile,and acrylonitde-butadiene-styrene materials into groups based on physical properties.The properties used are tensile strength,flexural modulus,and deflection tem-perature under load.The purchaser shall spec-ify the type of material,additive,and the nom-inal additive level.NOTE 1-The properties included i n this specifi-cation are those required to identify the grades of materials covered.There may be other requirements necessary to identify particular characteristics.These may be added to the specification as their inclusion becomes generally desirable and the necessary test data and methods become available.Glass fiber products are available with differing glass lengths.Further information on these types of reinforced materials may be obtained from the respective sup-pliers.NOTE 2-Additive levels i n this specification are expressed in terms of weight percentage of the fin-ished composition.2.Applicable Documents 2.1 ASTM Standards:D 6 18 Conditioning Plastics and Electrical D 638 Test for Tensile Properties of Plastics3 D48 Test for Deflection Temperature of Plastics Under Flexural Load3 D790 Tests for Flexural Properties of Un-reinforced and Reinforced Plastics and Electrical Insulating Materials3 D 1897 Recommended Practice for Injection Molding Test Specimens of Thermoplastic Molding and Extrusion Materials3 D 1898 Recommended Practice for Sampling of Plastics3 D 2584 Test for Ignition Loss of Cured Rein-forced Resins4 D 3892 Practice for Packaging/Packing of plastics3 Insulating Materials for Testing2 3.Classification 3.1 Reinforced and filled polystyrene,sty-rene-acrylonitrile,and acrylonitrile-butadiene-styrene materials are classified in accordance with Table 1.An identifying number is used for each material made up of three digits com-prising the cell numbers for the characteristics in the order in which they appear in Table 1.This specification is under the jurisdiction of ASTM Committee D-20 on Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic Materiais.Current edition approved June 26,198 1.Published Oc-tober 1981.Originally published as D 301 1-71 T.Last pre-vious edition D 301 1-74(1976).Annual Book of ASTM Standards,Parts 22.35,and 39.Annual Book of ASTM Standards,Part 35.Annual Book ofASTM Standards,Part 36.NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.9009276 0009550 312=D 301 1 3.2 Although the values listed are necessary to include the range of properties available in existing materials,they should not be inter-preted as implying that every possible combi-nation of the properties exists or can be ob-tained commercially.NOTE 3-An example of this classification system is as follows:The designation of 342 would indicate the following characteristics:Tensile strength,min,96.5 MPa(14 o00 psi),flexural modulus,min,9650 MPa(1.4 x lo6 psi),deflection temperature,min,93.3C(200OF).Combining this with the description of the resin and the additive per 1.2,a 40%glass fiber reinforced SAN having the above properties would be specified thus:40 8 Glass Fiber Reinforced SAN Class 342.4.General Requirements 4.1 The plastic composition shall be uniform and shall conform to the requirements hekein specified.The color and form of the material shall be as agreed upon by the manufacturer and the purchaser.The purchaser shall specify the type of material in accordance with 5.1 and the type and nominal concentration of addi-tive(s)in accordance with 5.2.5.Detail Requirements 5.1 The type of material shall be selected from the following types:polystyrene,styrene-acrylonitrile,acrylonitrile-butadiene-sty