Chemours 科慕 ETFE Tefzel® 280物性表,塑料价格,代理商,黄卡认证,MSDS,ROHS

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牌号简介 About
杜邦Tefzel® 280氟聚合物是一种优质树脂，可提供半透明的2.5毫米（0.1英寸）颗粒。与其他等级的tefzel相比，其最独特的特点是流速相对较低，弹性寿命大大提高，并能抵抗环境压力。Tefzel® 280和其他Tefzel含氟聚合物是乙烯和四氟乙烯的熔融加工改性共聚物。它们是高性能树脂，与氟碳树脂相比，可以以相对较高的速度加工。它们的机械强度很高，性能达到了很好的平衡。Tefzel® 280优选用于其他热塑性塑料缺乏机械韧性、广泛的热性能、满足异常热、机械和化学环境极限的能力或制造问题限制的应用。例如化学工业的部件和衬里，以及高温下使用的带有厚截面金属嵌件的模件。由纯Tefzel® 280制成的经过适当处理的产品对大多数溶剂和化学品都是惰性的，具有水解稳定性和耐候性。建议的最高工作温度为150°C（302°F）；有用的性能保持在低温范围内。介电性能指标稳定，UL94法火焰等级为V-0。耐环境应力开裂，具有优异的冲击强度、穿透性和耐磨性。高能抗辐射性能符合IEEE383标准，该树脂被批准用于核电厂。与火焰情况下的行为相关的声明或数据不旨在反映实际火灾条件下该材料或任何其他材料所带来的危险。典型的终端产品Tefzel 280适用于许多终端产品，包括化学服务项目，如衬里阀门和配件、泵壳和叶轮、柱填料和其他耐磨衬里；高温电气部件和绝缘材料；紧固件、波纹管和管道工程；以及薄膜。Tefzel® 280为ASTM D3159 I型1级。 DuPont™ Tefzel® 280 fluoropolymer is a premium resin available in translucent, 2.5-mm (0.1-in) pellets. Compared with other grades of Tefzel®, its most unique features are a relatively low flow rate, a greatly enhanced flex life, and resistance to environmental stress. Tefzel® 280 and the other Tefzel® fluoropolymers are melt processible, modified copolymers of ethylene and tetrafluoroethylene. They are highperformance resins that can be processed at relatively high rates compared with fluorocarbon resins. They are mechanically tough and offer an excellent balance of properties. Tefzel® 280 is preferred for applications where other thermoplastics are lacking in mechanical toughness, broad thermal capability, ability to meet unusual thermal, mechanical, and chemical environmental extremes, or limited by fabricating problems. Examples are components and linings for the chemical industry and molded parts with metal inserts of thick sections for use at high temperatures. Properly processed products made from neat Tefzel® 280 are inert to most solvents and chemicals, hydrolytically stable, and weather resistant. 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 UL94 method flame rating is V-0. They are resistant to environmental stress cracking and have outstanding impact strength, cut-through and abrasion resistance. High-energy radiation resistance meets IEEE 383 and the resin is approved for nuclear power plant use. 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 ® 280 is ideal for many end products, including chemical service items, such as lined valves and fittings, pump housings and impellers, column packings and other abrasion resistant linings; high temperature electrical components and insulation; fasteners, corrugated tubing and duct work; and film. Tefzel® 280 is ASTM D3159 Type I, Grade 1.

牌号简介 About

杜邦Tefzel® 280氟聚合物是一种优质树脂，可提供半透明的2.5毫米（0.1英寸）颗粒。与其他等级的tefzel相比，其最独特的特点是流速相对较低，弹性寿命大大提高，并能抵抗环境压力。Tefzel® 280和其他Tefzel含氟聚合物是乙烯和四氟乙烯的熔融加工改性共聚物。它们是高性能树脂，与氟碳树脂相比，可以以相对较高的速度加工。它们的机械强度很高，性能达到了很好的平衡。Tefzel® 280优选用于其他热塑性塑料缺乏机械韧性、广泛的热性能、满足异常热、机械和化学环境极限的能力或制造问题限制的应用。例如化学工业的部件和衬里，以及高温下使用的带有厚截面金属嵌件的模件。由纯Tefzel® 280制成的经过适当处理的产品对大多数溶剂和化学品都是惰性的，具有水解稳定性和耐候性。建议的最高工作温度为150°C（302°F）；有用的性能保持在低温范围内。介电性能指标稳定，UL94法火焰等级为V-0。耐环境应力开裂，具有优异的冲击强度、穿透性和耐磨性。高能抗辐射性能符合IEEE383标准，该树脂被批准用于核电厂。与火焰情况下的行为相关的声明或数据不旨在反映实际火灾条件下该材料或任何其他材料所带来的危险。典型的终端产品Tefzel 280适用于许多终端产品，包括化学服务项目，如衬里阀门和配件、泵壳和叶轮、柱填料和其他耐磨衬里；高温电气部件和绝缘材料；紧固件、波纹管和管道工程；以及薄膜。Tefzel® 280为ASTM D3159 I型1级。 DuPont™ Tefzel® 280 fluoropolymer is a premium resin available in translucent, 2.5-mm (0.1-in) pellets. Compared with other grades of Tefzel®, its most unique features are a relatively low flow rate, a greatly enhanced flex life, and resistance to environmental stress. Tefzel® 280 and the other Tefzel® fluoropolymers are melt processible, modified copolymers of ethylene and tetrafluoroethylene. They are highperformance resins that can be processed at relatively high rates compared with fluorocarbon resins. They are mechanically tough and offer an excellent balance of properties. Tefzel® 280 is preferred for applications where other thermoplastics are lacking in mechanical toughness, broad thermal capability, ability to meet unusual thermal, mechanical, and chemical environmental extremes, or limited by fabricating problems. Examples are components and linings for the chemical industry and molded parts with metal inserts of thick sections for use at high temperatures. Properly processed products made from neat Tefzel® 280 are inert to most solvents and chemicals, hydrolytically stable, and weather resistant. 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 UL94 method flame rating is V-0. They are resistant to environmental stress cracking and have outstanding impact strength, cut-through and abrasion resistance. High-energy radiation resistance meets IEEE 383 and the resin is approved for nuclear power plant use. 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 ® 280 is ideal for many end products, including chemical service items, such as lined valves and fittings, pump housings and impellers, column packings and other abrasion resistant linings; high temperature electrical components and insulation; fasteners, corrugated tubing and duct work; and film. Tefzel® 280 is ASTM D3159 Type I, Grade 1.

产品描述 Product Description

用途：阀门/阀门部件;薄膜;泵件;衬里;电气/电子应用领域;配件;耐磨衬板;紧固件;核能应用;外壳;电子绝缘;管件;

颜色：半透明

加工条件：吹塑成型

性能特点： 流动性低; 耐磨; 共聚物; 耐化学性; 抗伽马射线; 耐水解; 电气性好; 冲击性能好; 抗应力开裂; 耐候抗UV; 韧性好; Weather resistance is good,Good flexibility,Low liquidity,High impact resistance,Good Electrical Properties,Hydrolysis stability,Gamma radiation,Copolymer,Good wear resistance,Solvent resistance,High ESCR

技术参数 Technical Data
物理性能 PHYSICAL	额定值 Nominal Value	单位 Units	测试方法 Test Method
密度 Density	1.70	g/cm³	ASTM D792
熔体质量流动速率 Melt Flow Rate
297℃，5.0kg 297℃，5.0kg	4.0	g/10min	ASTM D3159
吸水率 Water absorption rate
24hr 24hr	7.0E-3	%	ASTM D570
机械性能 MECHANICAL	额定值 Nominal Value	单位 Units	测试方法 Test Method
邵氏硬度 Shore hardness
邵氏 D Shaw's D	72		ASTM D2240
拉伸强度 tensile strength
23℃ 23℃	47.0	MPa	ASTM D3159
拉伸应变 Tensile strain
断裂，23℃ Fracture, 23 ℃		%	ASTM D3159
弯曲模量 Bending modulus
23℃ 23℃		MPa	ASTM D790
压缩强度 compressive strength		MPa	ASTM D695
冲击性能 IMPACT	额定值 Nominal Value	单位 Units	测试方法 Test Method
悬臂梁缺口冲击强度 Impact strength of cantilever beam notch
23℃ 23℃			ASTM D256
热性能 THERMAL	额定值 Nominal Value	单位 Units	测试方法 Test Method
熔融温度 Melting temperature		℃	ASTM D3159
线性热膨胀系数 Linear coefficient of thermal expansion
MD：0~100℃ MD：0~100℃		1/℃	ASTM E831
最高使用温度 Maximum operating temperature		℃	UL 746
电气性能 Electrical performance	额定值 Nominal Value	单位 Units	测试方法 Test Method
体积电阻率 Volume resistivity		ohms·cm	ASTM D257
介电强度 Dielectric strength
0.25 mm 0.25 mm		kV/mm	ASTM D149
介电常数 Dielectric constant
23 ℃，1 MHz 23 ℃，1 MHz			ASTM D1531
耗散因数 Dissipation factor
23℃，1 MHz 23℃，1 MHz			ASTM D1531
耐电弧性 Arc resistance		sec	ASTM D495
阻燃性能 FLAME CHARACTERISTICS	额定值 Nominal Value	单位 Units	测试方法 Test Method
极限氧指数 Extreme oxygen index		%	ASTM D2863

备注
1 一般属性：这些不能被视为规格。

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逾越石墨烯：nanothread
2015-11-25
美国宾夕法尼亚大学研究人员在一个月前发现一种由钻石构成的新材料:nanothread，其被认为比石墨烯更为强大，但极为脆弱，难以利用。不过，澳大利亚昆士兰大学研究人员提出了被氢覆盖的一维晶体结构，使其柔韧而耐用。据悉，该材料可被用作制造太空电梯。

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