PFA 美国杜邦 440HP 注塑级 热稳定 耐高温 耐腐蚀

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深圳市绿点塑胶原料有限公司商铺
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深圳市绿点塑胶原料有限公司
组织机构代码:
91440300078968281L
报价
人民币¥251.00元每千克
品牌
美国杜邦
型号
440HP
产地
美国
关键词
PFA 美国杜邦 440HP,注塑级,热稳定,耐高温,耐腐蚀
所在地
深圳市龙华区观湖街道樟溪社区下围工业区一路 6 号智谷 C1 栋 213A
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0755-21047619
手机
18819106372
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刘春梅  请说明来自顺企网,优惠更多
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18819106372

详细介绍

PFA 美国杜邦 440HP 注塑级 热稳定 耐高温 耐腐蚀

PFA塑料为少量全氟丙基全氟乙烯基醚与聚四氟乙烯的共聚物。熔融粘结性增强,溶体粘度下降,而性能与聚四氟乙烯相比无变化。此种树脂可以直接采用普通热塑性成型加工成制品。适于制作件,减磨件、密封件、绝缘件和医疗器械零件,高温电线、电缆绝缘层,防腐设备、密封材料、泵阀衬套,和化学容器。

Chemours Teflon? PFA Grade 440 HP Extrusion and MoldingResin

Polymer,Thermoplastic,Fluoropolymer,PFA

Chemours

产品说明:

DuPont? Teflon? PFA 440 HP fluoropolymer is a special purposeresin available in clear, 2.5-mm (0.1-in.) pellets. This resin is achemically modified form of Teflon? PFA 340 that combines many ofthe benefits of the parent resin with several new ones. Theadditional benefits may include enhanced purity, improved thermalstability while processing, and chemical inertness, for example, toozonated fluids.

The enhanced purity of Teflon? PFA 440 HP makes it suitable forapplications that require improved color, lower extractablefluorides, and freedom from other foreign materials. This productcontains no additives and is designed for hostile chemicalenvironments where purity in the parts-per-billion range is needed.Examples are in semiconductor manufacture, fluid handling systemsfor industry or life sciences, and instrumentation for precisemeasurements of fluid systems.

The improved thermal stability of Teflon? PFA 440 HP results inreduced amounts of bubbles in final parts and decreased corrosionof processing equipment. Teflon? PFA 440 HP combines the processingease of conventional thermoplastics with properties similar tothose of polytetrafluoroethylene. Properly processed products madefrom neat Teflon? PFA 440 HP resin provide the superior propertiestypical of fluoropolymer resins: retention of properties afterservice at 260°C (500°F), useful properties at –196°C (–320°F), andchemical inertness to nearly all industrial chemicals and solvents.Dielectric properties are excellent. Molded products have moderatestiffness and high ultimate elongation.

Three categories (A, B, and D) of Teflon? PFA 440 HP resincovering a broad range of melt flow rates (MFR) are available. Thelow MFR resin provides a higher degree of stress crack resistancewhile the high MFR resin is easier to process. In a flamesituation, products of Teflon? PFA 440 HP resist ignition and donot themselves promote flame spread. When ignited by flame fromother sources, their contribution of heat is very small and addedat a slow rate with very little smoke.

Statements, or data, regarding behavior in a flame situation arenot intended to reflect hazards presented by this or any othermaterial when under actual fire conditions.

Applications

Applications for Teflon? PFA 440 HP include tubing; unsupportedpipe or pipe linings for production of ultrapure chemicals;semiconductor component and fluid handling systems forhighperformance chemical filters.

Chemours was formed from former DuPont performance chemicalsbusinesses, including DuPont Fluoroproducts, in 2015.

Chemours Teflon? PFA Grade 440 HP Extrusion and Molding Resin物性表

物理性能额定值 (公制)额定值 (英制)测试
比重2.12 - 2.17 g/cc2.12 - 2.17 g/ccASTM D792
吸水率= 0.030 %= 0.030 %24 hours; ASTM D570
熔体流动速率14 - 19 g/10 min14 - 19 g/10 minASTM D3307
机械性能额定值 (公制)额定值 (英制)测试
肖氏硬度 (邵氏 D)5555ASTM D2240
极限抗拉强度25.0 MPa3630 psiASTM D3307
14.0 MPa

@Temperature 250 °C

2030 psi

@Temperature 482 °F

ASTM D3307
抗张强度(屈服)13.8 MPa2000 psiASTM D3307
伸长率 (断裂)300 %300 %ASTM D3307
480 %

@Temperature 250 °C

480 %

@Temperature 482 °F

ASTM D3307
弯曲模量0.590 GPa85.6 ksiASTM D790
0.030 GPa

@Temperature 250 °C

4.4 ksi

@Temperature 482 °F

ASTM D790
悬壁梁缺口冲击强度NBNBASTM D256
电气性能额定值 (公制)额定值 (英制)测试
体积电阻率1.00e+18 ohm-cm1.00e+18 ohm-cmASTM D257
表面电阻率= 1.00e+17 ohm= 1.00e+17 ohmASTM D257
介电常数2.03

@Frequency 60.0 - 1.00e+6 Hz

2.03

@Frequency 60.0 - 1.00e+6 Hz

ASTM D150
介电强度80.0 kV/mm

@Thickness 0.0250 mm

2030 kV/in

@Thickness 0.000984 in

Short time; ASTM D149
耗散因数0.00010

@Frequency 60.0 - 1.00e+6 Hz

0.00010

@Frequency 60.0 - 1.00e+6 Hz

ASTM D150
耐电弧性= 180 sec= 180 secASTM D495


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