美国科慕 ETFE HT-2181耐化学性 绝缘材料电线电缆 航空航天特种塑料

Tefzel® HT-2181

Generic Name: 乙烯四氟乙烯共聚物(ETFE) - 提供方: The ChemoursCompany

Tefzel ™ ETFE HT-2181 is a general-purpose fluoroplastic resinavailable in translucent, 2.5-mm (0.1-in) pellets. Compared withother grades of Tefzel ™ , its most unique features are anintermediate flow rate and a balance of properties that make itsuitable for a variety of processes and demanding end uses. Table 1shows typical property data for Tefzel ™ ETFE HT-2181.

Tefzel® HT-2181 and the other Tefzel® fluoropolymers are meltprocessible, modified copolymers of ethylene andtetrafluoroethylene. They are high-performance resins that can beprocessed at relatively high rates compared with other fluorocarbonresins. They are mechanically tough and offer an excellent balanceof properties.

Tefzel® HT-2181 can perform successfully in applications whereother thermoplastics are lacking in mechanical toughness, broadthermal capability, ability to meet difficult environmentalconditions, or limited by fabricating problems.

Properly processed products made from neat Tefzel® HT-2181 areinert to most solvents and chemicals, hydrolytically stable, andweather-resistant. The recommended upper service temperature is155°C (311°F); useful properties are retained at cryogenic ranges.The level and stability of dielectric properties are excellent, andthe flame rating is V-0 by the UL94 method. Mechanical propertiesinclude outstanding impact strength, cut-through, and abrasionresistance.

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.

Typical End Products
Tefzel ® HT-2181 is ideal for many end products, includingelectrical components, such as sleeving, coil forms, sockets,connectors, and switches; lab ware, such as tubing, valves,containers, and dishes; battery or instrument components thatrequire chemical inertness; chemical service items, such as valvecomponents, seal glands, pipe plugs, and corrugated tubing; andfilm.

 与典型值比较 - Upgrade tocompare!  与黄卡比较

单位: SI 

总览
材料状态

已商用：当前有效

资料 1

Technical Datasheet (English)

UL 黄卡 2

E54681-101244451

搜索 UL 黄卡

The Chemours Company

Tefzel®

供货地区

北美洲

拉丁美洲

欧洲

亚太地区

特性

Excellent Weather Resistance

共聚物

抗溶剂性

良好的电气性能

良好抗撞击性

耐化学品性能，良好

耐磨损性，良好

韧性良好

水解稳定

中等流动性

用途

薄膜

电气/电子应用领域

阀门/阀门部件

管件

开关

连接器

密封件

容器

实验室器具

外观

半透明

形式

粒子

加工方法

吹塑成型

挤出

树脂传递成型

压缩模塑

注射成型

物理性能

额定值

单位制

测试方法

密度 / 比重

1.70

g/cm³

ASTM D792表观密度

1.30

g/cm³

内部方法熔流率（熔体流动速率） (297°C/5.0kg)

6.0

g/10 min

ASTM D3159吸水率 (24 hr)

7.0E-3

%

ASTM D570机械性能

额定值

单位制

测试方法

抗张强度 (23°C)

41.4

MPa

ASTM D638伸长率 (断裂, 23°C)

300

%

ASTM D638弯曲模量 (23°C)

1000

MPa

ASTM D790压缩强度 (23°C)

17.0

MPa

ASTM D695冲击性能

额定值

单位制

测试方法

悬壁梁缺口冲击强度 (23°C)

无断裂

ASTM D256硬度

额定值

单位制

测试方法

肖氏硬度 (邵氏D)

67

ASTM D2240热性能

额定值

单位制

测试方法

熔融温度

255 到 280

°C

ASTM D3418线形热膨胀系数 - 流动 (0 到100°C)

1.3E-4

cm/cm/°C

ASTM D696Zui高使用温度

155

°C

UL 746电气性能

额定值

单位制

测试方法

体积电阻率

1.0E+17

ohms·cm

ASTM D257介电强度 (0.250 mm)

70

kV/mm

ASTM D149介电常数 (23°C, 1MHz)

2.50 到 2.60

ASTM D1531耗散因数 (23°C, 1MHz)

6.0E-3

ASTM D1531耐电弧性

122

sec

ASTM D495可燃性

额定值

单位制

测试方法

UL 阻燃等级

V-0

UL 94极限氧指数

30 到 32

%

ASTM D2863