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 中国物性表查询网 >> PTFE >> 美国杜邦铁氟龙(聚四氟乙烯)Teflon PTFE 8A X物性表

美国杜邦铁氟龙(聚四氟乙烯)Teflon PTFE 8A X物性表

分类: PTFE   出处:仁捷塑化  更新时间:2015-01-19   添加到收藏  

 聚四氟乙烯Teflon® PTFE 8A X产品说明:

Teflon ® PTFE 8A X is a free-flowing white powder composed of relatively large particles. It has high bulk density and good powder flow. It's most unique features are improved moldability at lower pressure and improved surface smoothness of finished parts. The high bulk density and low compression ratio of Teflon® PTFE 8A X permit the use of shallow molds for small parts and complex shapes. Good powder flow is necessary for use in equipment that feeds resin automatically, and for filling deep and narrow molds that are pressed isostatically. Reduced pressure is an advantage for moldings with large surface area and for isostatic molding. Teflon ® PTFE 8A X is often preferred for molding thick sheets and for isostatic moldings. It is sometimes used for ram extrusion of rod and tubing with thicker cross sections. Properly processed products made from neat Teflon ® PTFE 8A X provide the superior properties typical of the fluoropolymer resins: retention of properties after service at 260 °C (500 °F), useful properties at -240 °C (-400 °F), chemical inertness to nearly all industrial chemicals and solvents, and low friction and antistick surfaces. Dielectric properties are outstanding and stable with frequency and temperature. Molded products have moderate stiffness and high ultimate elongation. In a flame situation, products of Teflon ® PTFE 8A X 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.

Typical Applications

Many end products are fabricated from moldings of Teflon ® PTFE 8A X, including small parts such as ball valve seats, seals, discs, and lab ware. Thick molded sheets are stock shapes made from Teflon ® PTFE 8A X. It is also chosen for lining pipes, valves, and valve plugs—and for ducting, expansion bellows, piston rings, and other large complex moldings.

美国杜邦铁氟龙(聚四氟乙烯)Teflon PTFE 8A X物性数据

美国杜邦铁氟龙(聚四氟乙烯Teflon PTFE)原料在中国大陆主要供应商为仁捷塑胶公司,财富热线:18681139818,QQ:13931677,联系人:唐生。

特性 
  • 低摩擦系数
  • 低烟度
  • 刚性,良好
  • 抗溶剂性
  • 良好的成型性能
  • 良好的电气性能
  • 良好的流动性
  • 耐化学性良好
  • 食品接触的合规性
  • 延高的拉伸率
  • 优良外观
用途 
  • 衬里
  • 阀门/阀门部件
  • 密封件
  • 片材
  • 实验室器具
机构评级 
  • FDA 21 CFR 177.1550
  • 欧洲 No 10/2011
 
外观 
  • 白色
形式 
  • 粉状
加工方法 
  • 烧结
  • 柱塞压出
 
物理性能
额定值
单位制
测试方法
比重
2.14
g/cm³
ASTM D4894
表观密度
0.68
g/cm³
ASTM D4894
收缩率 - 流动  2
2.8
%
ASTM D4894
平均颗粒尺寸
490
µm
ASTM D4894
机械性能
额定值
单位制
测试方法
抗张强度
41.4
MPa
ASTM D4894
伸长率 (断裂)
330
%
ASTM D4894
热性能
额定值
单位制
测试方法
熔融峰值温度
    ASTM D4894
-- 3
317 到 337
°C
 
-- 4
332 到 352
°C
 
补充信息
额定值
单位制
 
Flowability 5
221
g/min

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Tag: 铁氟龙 ,聚四氟乙烯 ,Teflon ,PTFE