美國(guó)科慕 ETFE HT-2181耐化學(xué)性 絕緣材料電線電纜 航空航天特種塑料

Tefzel? HT-2181

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

Tefzel ? ETFE HT-2181 is a general-purpose fluoroplastic resin available in translucent, 2.5-mm (0.1-in) pellets. Compared with other grades of Tefzel ? , its most unique features are an intermediate flow rate and a balance of properties that make it suitable for a variety of processes and demanding end uses. Table 1 shows typical property data for Tefzel ? ETFE HT-2181.

Tefzel? HT-2181 and the other Tefzel? fluoropolymers are melt processible, modified copolymers of ethylene and tetrafluoroethylene. They are high-performance resins that can be processed at relatively high rates compared with other fluorocarbon resins. They are mechanically tough and offer an excellent balance of properties.

Tefzel? HT-2181 can perform successfully in applications where other thermoplastics are lacking in mechanical toughness, broad thermal capability, ability to meet difficult environmental conditions, or limited by fabricating problems.

Properly processed products made from neat Tefzel? HT-2181 are inert to most solvents and chemicals, hydrolytically stable, and weather-resistant. The recommended upper service temperature is 155°C (311°F); useful properties are retained at cryogenic ranges. The level and stability of dielectric properties are excellent, and the flame rating is V-0 by the UL94 method. Mechanical properties include outstanding impact strength, cut-through, and abrasion resistance.

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 End Products
Tefzel ? HT-2181 is ideal for many end products, including electrical components, such as sleeving, coil forms, sockets, connectors, and switches; lab ware, such as tubing, valves, containers, and dishes; battery or instrument components that require chemical inertness; chemical service items, such as valve components, seal glands, pipe plugs, and corrugated tubing; and film.

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材料狀態(tài)

已商用：當(dāng)前有效

資料 1

Technical Datasheet (English)

UL 黃卡 2

E5468

搜索 UL 黃卡

The Chemours Company

Tefzel?

供貨地區(qū)

北美洲

拉丁美洲

歐洲

亞太地區(qū)

特性

Excellent Weather Resistance

共聚物

抗溶劑性

良好的電氣性能

良好抗撞擊性

耐化學(xué)品性能，良好

耐磨損性，良好

韌性良好

水解穩(wěn)定

中等流動(dòng)性

用途

薄膜

電氣/電子應(yīng)用領(lǐng)域

閥門/閥門部件

管件

開(kāi)關(guān)

連接器

密封件

容器

實(shí)驗(yàn)室器具

外觀

半透明

形式

粒子

加工方法

吹塑成型

擠出

樹(shù)脂傳遞成型

壓縮模塑

注射成型

物理性能

額定值

單位制

測(cè)試方法

密度 / 比重

1.70

g/cm3

ASTM D792表觀密度

1.30

g/cm3

內(nèi)部方法熔流率（熔體流動(dòng)速率） (297°C/5.0 kg)

6.0

g/10 min

ASTM D3159吸水率 (24 hr)

7.0E-3

%

ASTM D570機(jī)械性能

額定值

單位制

測(cè)試方法

抗張強(qiáng)度 (23°C)

41.4

MPa

ASTM D638伸長(zhǎng)率 (斷裂, 23°C)

300

%

ASTM D638彎曲模量 (23°C)

1000

MPa

ASTM D790壓縮強(qiáng)度 (23°C)

17.0

MPa

ASTM D695沖擊性能

額定值

單位制

測(cè)試方法

懸壁梁缺口沖擊強(qiáng)度 (23°C)

無(wú)斷裂

ASTM D256硬度

額定值

單位制

測(cè)試方法

肖氏硬度 (邵氏 D)

67

ASTM D2240熱性能

額定值

單位制

測(cè)試方法

熔融溫度

255 到 280

°C

ASTM D3418線形熱膨脹系數(shù) - 流動(dòng) (0 到 100°C)

1.3E-4

cm/cm/°C

ASTM D696最高使用溫度

155

°C

UL 746電氣性能

額定值

單位制

測(cè)試方法

體積電阻率

1.0E+17

ohms·cm

ASTM D257介電強(qiáng)度 (0.250 mm)

70

kV/mm

ASTM D149介電常數(shù) (23°C, 1 MHz)

2.50 到 2.60

ASTM D1531耗散因數(shù) (23°C, 1 MHz)

6.0E-3

ASTM D1531耐電弧性

122

sec

ASTM D495可燃性

額定值

單位制

測(cè)試方法

UL 阻燃等級(jí)

V-0

UL 94極限氧指數(shù)

30 到 32

%

ASTM D2863