ASTM_F_790_-_18.pdf

Designation:F79018Standard Guide forTesting Materials for Aerospace Plastic TransparentEnclosures1This standard is issued under the fixed designation F790;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide is intended to summarize the standard testmethods available on individual and composite materialsutilized in fabrication of aerospace plastic transparent enclo-sures.As such,it is intended to specifically include transparentthermoplastics,transparent elastomers,and reinforced plastics,whether thermoplastic or thermosetting.1.2 This guide is intended as an aid in the search for testmethods pertinent to Aerospace Plastic Transparent Enclo-sures.It should be understood that all methods listed may notapply to all enclosures.1.3 The standards included refer to the properties or aspectslisted in Table 1.The properties or aspects are listed inalphabetical order and the descriptions used are intended tofacilitate the search.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.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:2C117 Test Method for Materials Finer than 75-m(No.200)Sieve in Mineral Aggregates by WashingD149 Test Method for Dielectric Breakdown Voltage andDielectric Strength of Solid Electrical Insulating Materialsat Commercial Power FrequenciesD150 Test Methods for AC Loss Characteristics and Permit-tivity(Dielectric Constant)of Solid Electrical InsulationD256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD257 Test Methods for DC Resistance or Conductance ofInsulating MaterialsD412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD542 Test Method for Index of Refraction of TransparentOrganic PlasticsD543 Practices for Evaluating the Resistance of Plastics toChemical ReagentsD570 Test Method for Water Absorption of PlasticsD624 Test Method for Tear Strength of Conventional Vul-canized Rubber and Thermoplastic ElastomersD638 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 DilatometerD746 Test Method for Brittleness Temperature of Plasticsand Elastomers by ImpactD785 Test Method for Rockwell Hardness of Plastics andElectrical Insulating MaterialsD790 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 DisplacementD953 Test Method for Bearing Strength of PlasticsD1003 Test Method for Haze and Luminous Transmittanceof Transparent PlasticsD1004 Test Method for Tear Resistance(Graves Tear)ofPlastic Film and SheetingD1044 Test Method for Resistance of Transparent Plastics toSurface AbrasionD1238 Test Method for Melt Flow Rates of Thermoplasticsby Extrusion Plastometer1This guide is under the jurisdiction ofASTM Committee F07 on Aerospace andAircraft and is the direct responsibility of F07.08 on Transparent Enclosures andMaterials.Current edition approved June 1,2018.Published June 2018.Originallyapproved in 1988.Last previous edition approved in 2013 as F790 08(2013).DOI:10.1520/F0790-18.2For 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.Copyright 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.1 D1499 Practice for Filtered Open-Flame Carbon-Arc Expo-sures of PlasticsD1525 Test Method for Vicat Softening Temperature ofPlasticsD2240 Test Method for Rubber PropertyDurometer Hard-nessD2565 Practice for Xenon-Arc Exposure of Plastics In-tended for Outdoor ApplicationsD2583 Test Method for Indentation Hardness of