全氟烷氧基树脂 PFA树脂相对来说是比较新的可熔融加工的氟塑料。 PFA的熔点大约为580F，密度为2.13— 2.16g/cc（克/立方厘米）。PFA与 PTFE和FEP相似，但在302T以上时，机械性能略优于FEP，且可在高达500F下的温度下使用，它的耐化学品性与PTEF相当。PFA的产品形式有用于模塑和挤塑的粒状产品，用于旋转模塑和涂料的粉状产品；其半成品有膜、板、棒和管材。美国市场经销的PFA树脂有DUPOut公司的Teflon牌、Daikin公司的Neoflon牌、Ansimont公司的Hthen牌、HOechst Celanese公司的 Hostafl牌。PFA的用途与FEP类似。PFA（可溶性聚四氟乙烯〕耐热、耐寒、化学稳定性、机械性、绝缘性、自润滑性、耐折性、耐开裂性优异。公司开发有注塑、挤出，模压料。2. 适用范围:目前国内主要用于防腐防酸碱注塑件、高温电线电缆、防酸碱内衬件，吹塑制品等。技术参数：比重（g/CM3）2.12-2.17
本公司 可以免费提供各种材料物性及各种材质认证 如：SGS UL MSDS ROHS MDS 等证明 ： 通过这些链接您能够访问供应商资料。我们尽量保证 准确数据资料； UL 黄卡含有 UL 验证的易燃性和电气特性物性说明
| NEOFLON™ AC-5539 | DAIKIN AMERICA, INC. | PFA | |
| NEOFLON™ AC-5600 | DAIKIN AMERICA, INC. | PFA | |
| NEOFLON™ AC-5820 | DAIKIN AMERICA, INC. | PFA | |
| NEOFLON™ ACX-31 | DAIKIN AMERICA, INC. | PFA | |
| NEOFLON™ AP-201 | DAIKIN AMERICA, INC. | PFA | |
| NEOFLON™ AP-201SH | DAIKIN AMERICA, INC. | PFA | |
| NEOFLON™ AP-210 | DAIKIN AMERICA, INC. | PFA | |
| NEOFLON™ AP-211SH | DAIKIN AMERICA, INC. | PFA | |
| NEOFLON™ AP-230 | DAIKIN AMERICA, INC. | PFA | |
| NEOFLON™ AP-231SH | DAIKIN AMERICA, INC. | PFA |
物性说明
| 产品说明 | ||||
| For inventory control purposes product name may be followed by an X. Products labeled PFA 451HP and PFA 451HP X are equivalent and all information in this document is applicable to both. Typical Application Teflon ® PFA 451HP is preferred in applications where purity in the parts-per-billion range, surface smoothness, and the highest levels of chemical permeation resistance are required; including tubing, unsupported pipe linings for the production of ultra-pure chemicals, semiconductor components, and fluid handling components for high-performance chemical delivery systems where stress-crack resistance is critical. Description DuPont™ Teflon ® PFA 451HP is a special purpose fluoroplastic resin available in pellet form. This resin is a chemically modified form of Teflon ® PFA 350 that combines many of the advantages of the parent resin with several additional benefits. Teflon ® PFA 451HP exhibits improved surface smoothness achieved through minimization of spherulite size, enhanced chemical permeation resistance achieved by increasing its crystallinity from Teflon ® PFA 450HP, enhanced purity, and improved thermal stability while processing. Teflon ® PFA 451HP is a relatively low melt flow rate （typical MFR of 2）, premium resin with the lowest level of extractables designed to meet ultra-high purity requirements. An enhanced resistance to environmental stress-cracking and chemical permeation make Teflon ® PFA 451HP a preferred resin when extended service is required in hostile environments involving chemical, thermal, and mechanical stress. Additionally, the enhanced purity of Teflon ® PFA 451HP 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 451HP 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 451HP 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 451HP resist ignition and do not promote flame spread. When ignited by flame from other sources, their contribution of heat is very small and added at a slow rate with very little smoke. Teflon ® PFA 451HP meets the requirements of ASTM D3307, Type II | ||||
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| 物理性能 | 额定值 | 单位制 | 测试方法 |
| 比重 | 2.15 | ASTM D792 | |
| 熔流率 （372°C/5.0 kg） | 2.0 | g/10 min | ASTM D3307, ISO 12086 |
| 吸水率 （24 hr） | < 0.030 | % | ASTM D570 |
| 硬度 | 额定值 | 单位制 | 测试方法 |
| 硬度计硬度 （邵氏 D） | 55 | ASTM D2240, ISO 868 |
| 机械性能 | 额定值 | 单位制 | 测试方法 |
| 抗张强度 | ASTM D3307, ISO 12086 | ||
| 73°F | 4790 | psi | |
| 392°F | 2610 | psi | |
| 伸长率 | ASTM D3307, ISO 12086 | ||
| 断裂, 73°F | 360 | % | |
| 断裂, 392°F | 500 | % | |
| 弯曲模量 | ASTM D790, ISO 178 | ||
| 73°F | 59500 | psi | |
| 392°F | 7830 | psi |
| 热性能 | 额定值 | 单位制 | 测试方法 |
| 熔融温度 | 581 | °F | ASTM D4591 |
| 电气性能 | 额定值 | 单位制 | 测试方法 |
| 体积电阻率 | 1.0E+18 | ohm·cm | ASTM D257, ISO 1325 |
| 介电强度 | |||
| 0.00984 in 2 | 2000 | V/mil | ASTM D149 |
| 0.00984 in | 2000 | V/mil | IEC 60243-1 |
| 介电常数 （1 MHz） | 2.03 | ASTM D150, IEC 60250 | |
| 耗散因数 （1 MHz） | < 0.00020 | ASTM D150, IEC 60250 | |
| 可燃性 | 额定值 | 单位制 | 测试方法 |
| UL 阻燃等级 3 | V-0 | UL 94 | |
| 极限氧指数 | > 95 | % | ASTM D2863, ISO 4589-2 |
| 补充信息 | 额定值 | 单位制 | 测试方法 |
| Critical Shear Rate （702°F） | 12.0 | sec^-1 | |
| MIT Folding Endurance 4 （7.9 mil） | 7.0E+3 | Cycles | ASTM D2176 |
| Weather and Chemical Resistance: Outstanding | |||
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