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牌号简介 About |
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聚偏氟乙烯(PVDF)是一种氟化热塑性树脂,对大多数矿物和有机酸、脂肪族和芳香族烃、醇类、卤代溶剂和氧化环境具有优异的抵抗力。它还具有优异的抗老化性能,多年后性能保持不变。Tecaflon聚偏氟乙烯具有优良的化学和物理性能,且易于加工,特别适用于化工、石化、湿法冶金、制药、食品、核工业、造纸和纸浆工业以及半导体加工行业的部件。 Polyvinylidene fluoride, or PVDF, is a fluorinated thermoplastic resin which has outstanding resistance to most mineral and organic acids, aliphatic and aromatic hydrocarbons, alcohols, halogenated solvents, and oxidizing environments. It also has outstanding aging resistance, with its properties remaining constant after many years. TECAFLON® PVDF's excellent chemical and physical properties and the ease with which it can be processed make it especially suitable for components in the chemical, petrochemical, hydrometallurgical, pharmaceutical, food, nuclear, and paper and pulp industries, as well as the semiconductor processing industry. Superior chemical resistance Remarkable fire resistant properties UV and gamma radiation stability Very high dielectric and piezoelectric constants Absolutely non-toxic Good mechanical properties in tension as well as in deflection, torsion, and compression compared to other fluorinated polymers Does not swell or alter in a wet environment Uses standard machining and welding techniques |
技术参数 Technical Data | |||
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
密度 Density |
1.78 | g/cm³ | ASTM D792 |
吸水率 Water absorption rate |
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23℃,24hr 23℃,24hr |
0.020 | % | ASTM D570 |
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 |
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23℃ 23℃ |
160 | J/m | ASTM D256 |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
热变形温度 Hot deformation temperature |
ASTM D648 | ||
0.45 MPa,未退火 0.45 MPa, unannealed |
149 | ℃ | ASTM D648 |
1.8 MPa,未退火 1.8 MPa, unannealed |
113 | ℃ | ASTM D648 |
熔融峰值温度 Melting peak temperature |
℃ | ASTM D3418 | |
线性热膨胀系数 Linear coefficient of thermal expansion |
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MD MD |
1/℃ | ASTM D696 | |
导热系数 Thermal conductivity coefficient |
W/m/K | ASTM C177 | |
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 |
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23℃ 23℃ |
ohms·cm | ASTM D257 | |
介电强度 Dielectric strength |
kV/mm | ASTM D149 | |
介电常数 Dielectric constant 2 |
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23 ℃,60 Hz 23 ℃,60 Hz 2 |
ASTM D150 | ||
耗散因数 Dissipation factor |
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23℃,60 Hz 23℃,60 Hz |
ASTM D150 | ||
阻燃性能 FLAME CHARACTERISTICS |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
阻燃等级 Flame retardant level |
UL 94 | ||
机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
洛氏硬度 Rockwell hardness |
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R 级 R-level |
ASTM D785 | ||
拉伸模量 Tensile modulus |
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23℃ 23℃ |
MPa | ASTM D638 | |
拉伸强度 tensile strength |
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断裂,23℃ Fracture, 23 ℃ |
MPa | ASTM D638 | |
拉伸应变 Tensile strain |
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断裂,23℃ Fracture, 23 ℃ |
% | ASTM D638 | |
弯曲模量 Bending modulus |
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23℃ 23℃ |
MPa | ASTM D790 | |
弯曲强度 bending strength |
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23℃ 23℃ |
MPa | ASTM D790 | |
压缩强度 compressive strength |
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23℃ 23℃ |
MPa | ASTM D695 |
备注 |
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1 一般属性:这些不能被视为规格。 |
2 50% RH |
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