牌号简介 About |
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LUBMER™ L4420是一种高分子量聚乙烯材料,含有的填充物为填料。 该产品在北美洲有供货,。 LUBMER™ L4420的主要特性有: 阻燃/额定火焰 耐热 典型应用领域包括: 工程/工业配件 汽车行业 LUBMER™ L4420 LUBMER™ L4420 is a High Molecular Weight Polyethylene material filled with filler. It is available in North America. Important attributes of LUBMER™ L4420 are: Flame Rated Heat Resistant Typical applications include: Engineering/Industrial Parts Automotive LUBMER™ L4420 LUBMER is a specially polyethylene developed by Mitusi Chemicals' original polymerization technology. LUBMER has outstanding sliding properties, abrasion resistance and moldability. Especially, LUBMER is used for a wide range of applications for soundproofing parts of office automation equipments, automotive, electrical and electronic parts. In addition, LUBMER is making a significant contribution to the development of building materials, mechanical parts, etc.. attracting attention as a high-performance material that will build a future. Features: Sliding properties Food Safety Abrasion resistance Chemical resistance Electrical insulating properties Noiseless properties Applications: Electrical/office automation equipment parts Automotive parts General equipment parts, building materials, and other parts |
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 |
1.03 | g/cm³ | ASTM D792 |
收缩率 Shrinkage rate |
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TD:2.0 mm TD:2.0 mm |
1.2 | % | ASTM D955 |
MD:2.0 mm MD:2.0 mm |
1.3 | % | ASTM D955 |
吸水率 Water absorption rate |
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24hr 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℃,2mm 23℃,2mm |
180 | 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 |
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0.45 MPa,未退火 0.45 MPa, unannealed |
℃ | ASTM D648 | |
维卡软化温度 Vicat Softening Temp |
℃ | ASTM D1525 4 | |
线性热膨胀系数 Linear coefficient of thermal expansion |
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MD MD |
1/℃ | ASTM D696 | |
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 |
kV/mm | ASTM D149 | |
介电常数 Dielectric constant |
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23℃ 23℃ |
ASTM D150 | ||
耗散因数 Dissipation factor |
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1 MHz 1 MHz |
ASTM D150 | ||
阻燃性能 FLAME CHARACTERISTICS |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
1.60 mm 1.60 mm |
UL 94 | ||
机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
拉伸强度 tensile strength 2 |
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断裂,23℃ Fracture, 23 ℃ 2 |
MPa | ASTM D638 | |
拉伸应变 Tensile strain 2 |
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断裂,23℃ Fracture, 23 ℃ 2 |
% | ASTM D638 | |
弯曲模量 Bending modulus 3 |
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23℃,3 mm,48 mm跨距 23 ℃, 3 mm, 48 mm span 3 |
MPa | ASTM D790 | |
弯曲强度 bending strength 3 |
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屈服,23℃,3 mm,48 mm跨度 Yield, 23 ℃, 3 mm, 48 mm span 3 |
MPa | ASTM D790 | |
洛氏硬度 Rockwell hardness |
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R 级 R-level |
ASTM D785 |
备注 |
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1 一般属性:这些不能被视为规格。 |
2 类型 5, 2.0 in/min |
3 0.20 in/min |
4 压 力1 (10N) |
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