Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
EHMWPE ETA Crown Plastics
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | Crown Plastics/ETA |
|---|---|---|---|
| Impact strength of cantilever beam gap | 3.18mm | ASTM D256 | 80 J/m |
| hardness | Test Condition | Test Method | Crown Plastics/ETA |
|---|---|---|---|
| Shore hardness | 邵氏D,0.762mm | ASTM D2240 | 65 |
| 邵氏D,1.52mm | ASTM D2240 | 65 | |
| 邵氏D,3.18mm | ASTM D2240 | 65 |
| Mechanical properties | Test Condition | Test Method | Crown Plastics/ETA |
|---|---|---|---|
| tensile strength | 屈服,0.762mm | ASTM D638 | 23.0 MPa |
| coefficient of friction | 与自身-动态2 | ASTM D1894 | 0.14 |
| elongation | 断裂,0.762mm | ASTM D638 | 60 % |
| tensile strength | 屈服,1.52mm | ASTM D638 | 20.0 MPa |
| coefficient of friction | 与自身-静态6 | ASTM D1894 | 0.16 |
| 与自身-静态7 | ASTM D1894 | 0.16 | |
| tensile strength | 断裂,3.18mm | ASTM D638 | 44.0 MPa |
| coefficient of friction | 与自身-静态2 | ASTM D1894 | 0.16 |
| 与钢-动态4 | ASTM D1894 | 0.050to0.10 | |
| elongation | 断裂,1.52mm | ASTM D638 | 460 % |
| 断裂,3.18mm | ASTM D638 | 470 % | |
| coefficient of friction | 与钢-动态5 | ASTM D1894 | 0.050to0.080 |
| 与钢-动态3 | ASTM D1894 | 0.10to0.22 | |
| Tensile modulus | 1.52mm | ASTM D638 | 731 MPa |
| 3.18mm | ASTM D638 | 672 MPa | |
| tensile strength | 屈服,3.18mm | ASTM D638 | 22.0 MPa |
| coefficient of friction | 与自身-动态7 | ASTM D1894 | 0.14 |
| Tensile modulus | 0.762mm | ASTM D638 | 725 MPa |
| tensile strength | 断裂,1.52mm | ASTM D638 | 49.0 MPa |
| 断裂,0.762mm | ASTM D638 | 53.0 MPa | |
| coefficient of friction | 与自身-动态6 | ASTM D1894 | 0.13 |
| Electrical performance | Test Condition | Test Method | Crown Plastics/ETA |
|---|---|---|---|
| Surface Resistivity | 1.52mm | ASTM D257 | 1E+03 ohms |
| 3.18mm | ASTM D257 | 1E+03 ohms | |
| Dissipation Factor | 1.52mm,5MHz | ASTM D150 | -1E-03 |
| Volume resistivity | 3.18mm | ASTM D257 | >2.0E+7 ohms·cm |
| dielectric strength | 3.18mm | ASTM D149 | 14 kV/mm |
| StaticDecay | 3.18mm | <10 msec | |
| Dissipation Factor | 0.762mm,10kHz | ASTM D150 | -1E-03 |
| Volume resistivity | 0.762mm | ASTM D257 | 6E+07 ohms·cm |
| dielectric constant | 0.762mm | ASTM D150 | 2.39 |
| Dissipation Factor | 3.18mm,10kHz | ASTM D150 | 0.0 |
| StaticDecay | 762.0µm | <10 msec | |
| Dissipation Factor | 1.52mm,10kHz | ASTM D150 | -2E-03 |
| dielectric constant | 3.18mm | ASTM D150 | 2.28 |
| Dissipation Factor | 3.18mm,5MHz | ASTM D150 | 1E-03 |
| dielectric constant | 1.52mm | ASTM D150 | 2.29 |
| Dissipation Factor | 0.762mm,5MHz | ASTM D150 | -1E-03 |
| Volume resistivity | 1.52mm | ASTM D257 | 1.5E+07 ohms·cm |
| Surface Resistivity | 0.762mm | ASTM D257 | 1E+03 ohms |
| StaticDecay | 1.52mm | <10 msec |
| physical property | Test Condition | Test Method | Crown Plastics/ETA |
|---|---|---|---|
| Crystallinity | 762.0µm | ASTM D3417 | 48 % |
| relative viscosity | 1.52mm | ASTM D4020 | 230to350 cm³/g |
| 3.18mm | ASTM D4020 | 230to350 cm³/g | |
| 762.0µm | ASTM D4020 | 230to350 cm³/g | |
| Crystallinity | 1.52mm | ASTM D3417 | 47 % |
| 3.18mm | ASTM D3417 | 50 % | |
| density | ASTM D792 | 0.930 g/cm³ |
| Thermal performance | Test Condition | Test Method | Crown Plastics/ETA |
|---|---|---|---|
| melting temperature | --2 | 136 °C | |
| Linear coefficient of thermal expansion | MD：-100到-20°C,3.18mm | ASTM D696 | 9.2E-04 cm/cm/°C |
| melting temperature | --6 | 134 °C | |
| Linear coefficient of thermal expansion | MD：20到100°C,3.18mm | ASTM D696 | 1.5E-04 cm/cm/°C |
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