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供应标题:Teflon PFA 340 全氟烷氧基

  • 公司名称:东莞文锦新材料科技有限公司
  • 行业分类:PFA
  • 发布时间:2018/7/18
  • 截止时间:2018/10/18
  • 供应商所在地:广东-东莞
  • 供应商经营模式:贸易型
  • 供应商经营范围:
    PFA

供应商联系方式
东莞文锦新材料科技有限公司

  • 杨喜闻
  • 15007659488
  • 电话:0769-86999949
  • 传真:86
  • 地址:东莞市常平镇大京九塑胶原料市场京九大道J73号

供应说明:(补充资料):

TeflonPFA340全氟烷氧基Teflon?PFA?340?全氟烷氧基DuPont?Fluoropolymers产品说明DuPont??Teflon??PFA?340?is?a?general-purpose?resin?available?in?clear,?2.5-mm?(0.1-in.)?pellets.?Compared?with?other?grades?of?Teflon??PFA,?its?most?unique?features?are?a?relatively?high?flow?rate?and?properties?that?make?it?suitable?for?a?variety?of?processes?and?demanding?end?uses.Teflon??PFA?340?and?the?other?Teflon??PFA?(perfluoroalkoxy)?fluoropolymer?resins?combine?the?processing?ease?of?conventional?thermoplastics?with?properties?similar?to?those?of?polytetrafluoroethylene.?They?have?high?melt?strength,?stability?at?high?processing?temperatures,?and?resistance?to?creep?at?high?service?temperature.Teflon??PFA?340?is?used?when?traditional?extrusion?and?molding?processes?are?required?for?producing?products?with?the?superior?properties?of?a?fluoropolymer?resin.?For?a?given?process,?its?high?melt?strength?and?thermal?stability?can?be?used?to?improve?rates.?Compared?with?other?fluoropolymers,?its?creep?resistance?at?its?high?service?temperatures?provides?a?superior?balance?and?level?of?end-use?properties.Properly?processed?products?made?from?neat?Teflon??PFA?340?resin?provide?the?superior?properties?typical?of?the?fluoropolymer?resins:?retention?of?properties?after?service?at?260°C?(500°F),?useful?properties?at?-196°C?(-320°F),?and?chemical?inertness?to?nearly?all?industrial?chemicals?and?solvents.?Dielectric?constant?and?dissipation?factor?are?exceptionally?low.?Molded?products?have?moderate?stiffness?and?high?ultimate?elongation.In?a?flame?situation,?products?of?Teflon??PFA?340?resist?ignition?and?do?not?themselves?promote?flame?spread.?When?ignited?by?flame?from?other?sources,?their?contribution?of?heat?is?small?and?with?very?little?smoke.Statements,?or?data,?regarding?behavior?in?a?flame?situation?are?not?intended?to?reflect?hazards?presented?by?this?or?any?other?material?when?under?actual?fire?conditions.总体材料状态??已商用:当前有效供货地区??北美洲??欧洲??南美洲??亚太地区??刚性,良好??良好的熔体强度??耐气候影响性能良好性能特点??抗溶解性??流动性高??烟释放,低??良好的抗蠕变性??耐化学性良好??延展性,高用途??薄膜??工业领域:??管道??电器导线绝缘材料??管道??型材外观??清晰/透明形式??颗粒料加工方法??挤出??压缩模塑??树脂传递成型??注射成型物理性能额定值单位制测试方法比重2.14g/cm3ASTM?D792熔流率?(372°C/5.0?kg)14g/10?minASTM?D1238吸水率?(24?hr)0.030%ASTM?D570机械性能额定值单位制测试方法抗张强度ASTM?D638屈服,?23°C13.8MPa23°C24.8MPa250°C12.4MPa伸长率ASTM?D638断裂,?23°C300%断裂,?250°C480%弯曲模量ASTM?D79023°C586MPa250°C55.2MPa硬度额定值单位制测试方法硬度计硬度?(邵氏?D)55ASTM?D2240热性能额定值单位制测试方法熔融温度302?到?310°C线形膨胀系数?-?流动ASTM?D69621?到?100°C0.00014cm/cm/°C100?到?149°C0.00017cm/cm/°C149?到?209°C0.00021cm/cm/°CTeflon?PFA?3402012年9月30日全氟烷氧基DuPont?Fluoropolymers电气性能额定值单位制测试方法体积电阻率1.0E+18ohm·cmASTM?D257介电强度?2?(0.254?mm)79kV/mmASTM?D149介电常数ASTM?D15060?Hz2.031?MHz2.03耗散因数ASTM?D15060?Hz0.000101?MHz0.00010可燃性额定值单位制测试方法极限氧指数95%ASTM?D2863补充信息Specific?Gravity,?ASTM?D792:?2.12?to?2.17MIT?Folding?Endurance,?0.18?to?0.2mm?(0.007?to?0.008?in):?15000?cyclesWater?Absorption,?ASTM?D696:?0.03?%Limiting?Oxygen?Index,?ASTM?D2863:?95%Upper?Service?Temperature:?500°FWeather?and?Chemical?Resistance:?Outstanding注射额定值单位制螺筒后部温度316?到?332°C螺筒中部温度329?到?343°C螺筒前部温度371°C射嘴温度371°C加工(熔体)温度343?到?399°C模具温度149?到?260°C注塑温度20.7?到?55.2MPa注射速度慢合模力6.9kN/cm2备注1?一般属性:这些不能被视为规格。?2?方法A(短时间)

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