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| 牌号简介 About |
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| 出于库存控制目的，产品名称后面可以跟一个X。标记为PFA 445HP和PFA 445HP X的产品是等效的，本文档中的所有信息都适用于这两者。杜邦特氟龙PFA 445HP的典型应用包括管道、用于生产超纯化学品的无支撑管衬、半导体组件和高性能化学品输送系统的流体处理组件，其中需要十亿分之一范围的纯度。说明杜邦特氟隆PFA 445HP是一种特殊用途的氟塑料树脂，可提供颗粒形式。该树脂是特氟隆PFA 345的化学改性形式，它结合了母树脂的许多优点（优异的抗环境应力开裂能力，典型的MIT耐折叠能力为50000*）以及其他一些优点，包括提高纯度、提高加工时的热稳定性和化学惰性；f例如，臭氧化液体。表1显示了特氟隆PFA 445HP的典型性能数据。特氟隆PFA 445HP是一种优质树脂，具有最低水平的可萃取性，旨在满足超高纯度要求。特氟隆PFA 445HP具有中等范围的熔体流动速率（典型的MFR为5），并且由于端组聚合物结构稳定，惰性水平最高。特氟隆PFA 445HP的高纯度使其适用于需要改进颜色、降低可提取氟化物以及不受其他异物影响的应用。本产品不含添加剂，适用于需要十亿分之一纯度的恶劣化学环境。例如半导体制造、工业或生命科学流体处理系统以及流体系统精确测量仪器。与其他热塑性塑料相比，特氟隆PFA 445HP的高熔融强度和热稳定性可用于提高加工速度，结合传统热塑性塑料的易加工性，其许多特性与聚四氟乙烯相似。由纯聚四氟乙烯PFA 445HP树脂制成的经过适当加工的产品具有氟塑料树脂的优良性能特征：化学惰性、优异的介电性能、耐热性、韧性和柔韧性、低摩擦系数、不粘特性、可忽略的吸湿性、低可燃性、高性能。在极端温度下，具有良好的耐候性。在火焰情况下，特氟隆PFA 445HP的产品不着火，不促进火焰蔓延。当被其他来源的火焰点燃时，它们的热量贡献很小，并且以很低的烟以很慢的速度增加。Teflon PFA 445HP符合ASTM D3307第三类的要求 For inventory control purposes product name may be followed by an X. Products labeled PFA 445HP and PFA 445HP X are equivalent and all information in this document is applicable to both. Typical Application Applications for DuPont™ Teflon ® PFA 445HP include tubing, unsupported pipe linings for the production of ultra-pure chemicals, semiconductor components, and fluid handling components for high-performance chemical delivery systems where purity in the parts-per-billion range is needed. Description DuPont™ Teflon ® PFA 445HP is a special purpose fluoroplastic resin available in pellet form. This resin is a chemically modified form of Teflon ® PFA 345 that combines many of the benefits of the parent resin (excellent resistance to environmental stress-cracking with a typical MIT folding endurance of 50,000*) with several additional benefits including enhanced purity, improved thermal stability while processing, and chemical inertness; for example, to ozonated fluids. Table 1 shows the typical property data for Teflon ® PFA 445HP. Teflon ® PFA 445HP is a premium resin with the lowest level of extractables designed to meet ultra-high purity requirements. Teflon ® PFA 445HP has a medium-range melt flow rate (typical MFR of 5), and the highest level of inertness due to stable end group polymer structure. The enhanced purity of Teflon ® PFA 445HP makes it suitable for applications that require improved color, lower extractable fluorides, and freedom from other foreign materials. This product contains no additives and is designed for hostile chemical environments where purity in the parts-per-billion range is needed. Examples are in semiconductor manufacture, fluid handling systems for industry or life sciences, and instrumentation for precise measurements of fluid systems. Compared to other thermoplastics, the high melt strength and thermal stability of Teflon ® PFA 445HP can be used to improve processing rates, combining the processing ease of conventional thermoplastics with many properties similar to those of polytetrafluoroethylene. Properly processed products made from neat Teflon ® PFA 445HP resin provide the superior properties characteristic of fluoroplastic resins: chemical inertness, exceptional dielectric properties, heat resistance, toughness and flexibility, low coefficient of friction, non-stick characteristics, negligible moisture absorption, low flammability, performance at temperature extremes, and excellent weather resistance. In a flame situation, products of Teflon ® PFA 445HP resist ignition and do not promote flame spread. When ignited by flame rom other sources, their contribution of heat is very small and added at a slow rate with very little smoke. Teflon ® PFA 445HP meets the requirements of ASTM D3307, Type III |
产品描述 Product Description
用途：衬里;管件;液体处理;
加工条件：压缩模塑
性能特点： 耐热性好; 低吸湿性; 防火阻燃等级V-0; 耐化学性; 流动性中等; 高纯度; 电气性好; 抗应力开裂; 耐候抗UV; 熔体强度好; 热稳定性好; 低烟; 低摩擦系数; 韧性好; Weather resistance is good,Good flexibility,High purity,Low smoke,Good Electrical Properties,Low coefficient of friction,Good melt strength,Moderate liquidity,Heat Resistance, Good,Solvent resistance,Low moisture absorption,Heat Stabilized,High ESCR,V-0
| 技术参数 Technical Data | |||
|---|---|---|---|
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
密度 Density |
2.14 | g/cm³ | ASTM D792 |
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熔体质量流动速率 Melt Flow Rate |
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372℃，5.0kg 372℃，5.0kg |
5.0 | g/10min | ISO 12086 |
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372℃，5.0kg 372℃，5.0kg |
5.0 | g/10min | ASTM D3307 |
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吸水率 Water absorption rate |
|||
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24hr 24hr |
< 0.030 | % | ASTM D570 |
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机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
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邵氏硬度 Shore hardness |
|||
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邵氏 D Shaw's D |
55 | ASTM D2240 | |
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邵氏 D Shaw's D |
ISO 868 | ||
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拉伸强度 tensile strength |
ASTM D3307 | ||
|
23℃ 23℃ |
MPa | ASTM D3307 | |
|
250℃ 250℃ |
MPa | ASTM D3307 | |
|
拉伸强度 tensile strength |
ISO 12086 | ||
|
23℃ 23℃ |
MPa | ISO 12086 | |
|
250℃ 250℃ |
MPa | ISO 12086 | |
|
拉伸应变 Tensile strain |
ASTM D3307 | ||
|
断裂，23℃ Fracture, 23 ℃ |
% | ASTM D3307 | |
|
断裂，250℃ Fracture, 250 ℃ |
% | ASTM D3307 | |
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拉伸应变 Tensile strain |
ISO 12086 | ||
|
断裂，23℃ Fracture, 23 ℃ |
% | ISO 12086 | |
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断裂，250℃ Fracture, 250 ℃ |
% | ISO 12086 | |
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弯曲模量 Bending modulus |
ASTM D790 | ||
|
23℃ 23℃ |
MPa | ASTM D790 | |
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250℃ 250℃ |
MPa | ASTM D790 | |
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弯曲模量 Bending modulus |
ISO 178 | ||
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23℃ 23℃ |
MPa | ISO 178 | |
|
250℃ 250℃ |
MPa | ISO 178 | |
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热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
熔融温度 Melting temperature |
℃ | ASTM D4591 | |
|
电气性能 Electrical performance |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
体积电阻率 Volume resistivity |
ohms·cm | ASTM D257 | |
|
体积电阻率 Volume resistivity |
ohms·cm | ISO 1325 | |
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介电强度 Dielectric strength |
|||
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0.25 mm 0.25 mm 2 |
kV/mm | ASTM D149 | |
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0.25 mm 0.25 mm |
kV/mm | IEC 60243-1 | |
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介电常数 Dielectric constant |
|||
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1 MHz 1 MHz |
IEC 60250 | ||
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1 MHz 1 MHz |
ASTM D150 | ||
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耗散因数 Dissipation factor |
|||
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1 MHz 1 MHz |
ASTM D150 | ||
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1 MHz 1 MHz |
IEC 60250 | ||
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阻燃性能 FLAME CHARACTERISTICS |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
阻燃等级 Flame retardant level 3 |
UL 94 | ||
|
极限氧指数 Extreme oxygen index |
% | ASTM D2863 | |
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极限氧指数 Extreme oxygen index |
% | ISO 4589-2 | |
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补充信息 Supplementary information |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
|
Critical Shear Rate（372℃） Critical Shear Rate（372℃） |
sec^-1 | ||
|
MIT耐折强度（200.0 µm） MIT flexural strength (200.0 µ m) 4 |
Cycles | ASTM D2176 | |
| 备注 |
|---|
| 1 一般属性：这些不能被视为规格。 |
| 2 方法A（短时间） |
| 3 These results are based on laboratory tests under controlled conditions and do not reflect performance under actual fire conditions, current rating is a typical theoretical value. |
| 4 Depending on fabrication conditions |
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2021-08-15 搜料网资讯： 据烃加工新闻8月10日消息称，美国农业企业巨头嘉吉公司和泰国PTT Global Chemical Pcl宣布，他们将在泰国建造一座耗资超过 6 亿美元的生物聚合物生产设施。 PTTGC在一份声明 |
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