ASTM_D_7745_-_19.pdf

Designation:D774519Standard Practice forTesting Pultruded Composites1This standard is issued under the fixed designation D7745;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()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This protocol summarizes the applicable ASTM andother standard test methods commonly used for pultrudedcomposites.The individual performance requirements to thesetest methods are defined by specific customer specifications.1.2 This protocol also defines appropriate specimen loca-tions for sampling from the pultruded composites.1.3 This protocol does not discuss all possible standard testmethods that may be utilized for pultruded composites.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,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.NOTE1There is no known ISO equivalent to this guide.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D149 Test Method for Dielectric Breakdown Voltage andDielectric Strength of Solid Electrical Insulating Materialsat Commercial Power FrequenciesD256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD495 Test Method for High-Voltage,Low-Current,Dry ArcResistance of Solid Electrical InsulationD570 Test Method for Water Absorption of PlasticsD635 Test Method for Rate of Burning and/or Extent andTime of Burning of Plastics in a Horizontal PositionD638 Test Method for Tensile Properties of PlasticsD695 Test Method for Compressive Properties of RigidPlasticsD696 Test Method for Coefficient of Linear Thermal Expan-sion of Plastics Between 30C and 30C with a VitreousSilica DilatometerD732 Test Method for Shear Strength of Plastics by PunchToolD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD883 Terminology Relating to PlasticsD953 Test Method for Pin-Bearing Strength of PlasticsD2291 Practice for Fabrication of Ring Test Specimens forGlass-Resin CompositesD2343 Test Method for Tensile Properties of Glass FiberStrands,Yarns,and Rovings Used in Reinforced PlasticsD2344/D2344M Test Method for Short-Beam Strength ofPolymer Matrix Composite Materials and Their LaminatesD2583 Test Method for Indentation Hardness of Rigid Plas-tics by Means of a Barcol ImpressorD2584 Test Method for Ignition Loss of Cured ReinforcedResinsD2734 Test Methods for Void Content of Reinforced PlasticsD3039/D3039M Test Method for Tensile Properties of Poly-mer Matrix Composite MaterialsD3647 Practice for Classifying Reinforced Plastic PultrudedShapes According to CompositionD3846 Test Method for In-Plane Shear Strength of Rein-forced PlasticsD3914 Test Method for In-Plane Shear Strength of PultrudedGlass-Reinforced Plastic RodD3916 Test Method for Tensile Properties of PultrudedGlass-Fiber-Reinforced Plastic RodD3917 Specification for Dimensional Tolerance of Thermo-setting Glass-Reinforced Plastic Pultruded ShapesD4065 Practice for Plastics:Dynamic Mechanical Proper-ties:Determination and Report of ProceduresD4385 Practice for Classifying Visual Defects in Thermo-setting Reinforced Plastic Pultruded Products1This practice is under the jurisdiction ofASTM Committee D20 on Plastics andis the direct responsibility of Subcommittee D20.18 on Reinforced ThermosettingPlastics.Current edition approved Nov.1,2019.Published January 2020.Originallyapproved in 2011.Last previous edition approved in 2011 as D7745 11.DOI:10.1520/D7745-19.2For 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.D4475 Test Method for Apparent Horizontal Shear Strengthof Pultruded Rei