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【英文标准名称】:StandardSpecificationforAqueousDispersionsofPolytetrafluoroethylene
【原文标准名称】:聚四氟乙烯的水分散体的标准规范
【标准号】:ASTMD4441-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:fluoropolymers;polytetrafluoroethylene;polytetrafluoroethylenedispersions;PTFE;Aqueousdispersions;PTFE(polytetrafluoroethylene)--specifications
【摘要】:1.1Thisspecificationcoversaqueousdispersionsofpolytetrafluoroethylene(PTFE)resins.Theseresinsarehomopolymersoftetrafluoroethylene,orinsomecasesmodifiedhomopolymerscontainingnotmorethan1%byweightofotherfluoromonomers.1.1.1Thedispersionisusuallystabilizedbyoneormoresurfactants.Othernon-PTFEmaterialsmaybepresentintotalat5%orlessbyweightforspecialpurposes.1.1.2Thisspecificationisforvirginmaterialonlyanddoesnotaddressrecycledmaterialasitisnotappropriatefordispersions.1.2Thisspecificationisusedtodetermineifashipment,lot,orcontainerofPTFEdispersionissuitableforitsintendeduse.Itcoversonlyaqueousdispersionsofpolytetrafluoroethylene.ItdoesnotcoverPTFEcopolymersorfilleddispersions.ThisspecificationincludestestmethodsforbothaqueousdispersionandthePTFEinthedispersion.Note18212;UsesforthePTFEdispersioncoveredbythisspecificationinclude,butarenotlimitedto,castingoftheirfilms,impregnationofmechanicalpackingsandothermaterials,surfacecoatingsonvarioussubstrates,combinedimpregnationandcoatingoffibrousmaterials,andco-coagulationwithothermaterialsforsubsequentprocessingintofilms,sheets,rods,andtubes.Note28212;InformationinthisspecificationistechnicallyequivalenttorelatedinformationinISO12086-1andISO12086-2.1.3ThevaluesstatedinSIunitsasdetailedinaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodportionsofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionaryinformationisgiveninNotes5and6.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:6P.;A4
【正文语种】:英语