医疗级ETFE，管件，连接器，粘合剂

 

Tefzel® HT-2185

乙烯四氟乙烯共聚物

 

The Chemours Company

 

Technical Data

 

产品说明

DuPont™ Tefzel® HT-2185 fluoropolymer resin is a special-purpose resin available in translucent, 2.5-mm (0.1-in) pellets. Compared with other grades of Tefzel®, it has a higher flow rate.

 

Tefzel® HT-2185 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 fluorocarbon resins. They are mechanically tough and offer an excellent balance of properties.

 

The relatively high flow rate of Tefzel® HT-2185 makes it uniquely suitable for high-speed processing, especially for extruded coatings and injection molding of slender, thin-walled, or intricate shapes. Molded or extruded products made from Tefzel® HT-2185 are preferred for uses that do not involve significant flexural or tensile stress at elevated temperatures. Higher viscosity products such as Tefzel® HT-2181 and Tefzel® HT-2183 are preferred for these applications.

 

Properly processed products made from neat Tefzel® HT-2185 are inert to most solvents and chemicals, hydrolytically stable, and weather-resistant. The recommended upper service temperature is 150°C (302°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-2185 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 fasteners; battery or instrument components that require chemical inertness; and mechanical parts.

总体

材料状态 • 已商用：当前有效

资料 1 • Technical Datasheet (English)

UL 黄卡 2 • E54681-101244453

搜索 UL 黄卡 •  The Chemours Company

•  Tefzel®

供货地区 • 北美洲 • 欧洲

• 拉丁美洲 • 亚太地区

• 共聚物 • 良好耐磨损性 • 韧性良好

特性 • 抗溶剂性 • 流动性高

• 抗撞击性，高 • 耐化学性良好 • 水解稳定

• 良好的电气性能 • 耐气候影响性能良好

• 薄壁部件 • 管件 • 连接器

用途 • 电气/电子应用领域 • 紧固件 • 容器

• 阀门/阀门部件 • 开关 • 实验室器具

外观 • 半透明

形式 • 粒子

加工方法 • 吹塑成型 • 挤出涂层 • 压缩模塑

• 挤出 • 树脂传递成型 • 注射成型

物理性能 额定值(英制) 额定值(公制) 测试方法

密度 / 比重 1.70 1.70g/cm³ ASTM D792

表观密度 1.30g/cm³ 1.30g/cm³ 内部方法

熔流率（熔体流动速率） (297°C/5.0 kg) 11g/10 min 11g/10 min ASTM D3159

吸水率 (24 hr) 7.0E-3% 7.0E-3% ASTM D570

机械性能 额定值(英制) 额定值(公制) 测试方法

抗张强度 (73°F (23°C)) 5800psi 40.0MPa ASTM D638

伸长率 (断裂, 73°F (23°C)) 300% 300% ASTM D638

弯曲模量 (73°F (23°C)) 145000psi 1000MPa ASTM D790

压缩强度 5510psi 38.0MPa ASTM D695

 

Tefzel® HT-2185

乙烯四氟乙烯共聚物

 

The Chemours Company

冲击性能 额定值 (英制) 额定值(公制) 测试方法

悬壁梁缺口冲击强度 (73°F (23°C)) 无断裂 无断裂 ASTM D256

热性能 额定值(英制) 额定值(公制) 测试方法

熔融温度 491 到 536°F 255 到 280°C ASTM D3418

线形热膨胀系数 - 流动 7.0E-5in/in/°F 1.3E-4cm/cm/°C ASTM D696

(32 到 212°F (0 到 100°C))

最高使用温度 311°F 155°C UL 746

电气性能 额定值(英制) 额定值(公制) 测试方法

体积电阻率 1.0E+17ohms•cm 1.0E+17ohms•cm ASTM D257

介电强度 (0.00984 in (0.250 mm)) 1800V/mil 70kV/mm ASTM D149

介电常数 (73°F (23°C), 1 MHz) 2.50 到 2.60 2.50 到 2.60 ASTM D1531

耗散因数 (73°F (23°C), 1 MHz) 5.4E-3 5.4E-3 ASTM D1531

可燃性 额定值(英制) 额定值(公制) 测试方法

UL 阻燃等级 V-0 V-0 UL 94

极限氧指数 30 到 32% 30 到 32% ASTM D2863

补充信息

Weather and Chemical Resistance: Excellent

 

 

 

 

 

 

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