Cyclo-olefin copolymer ( Topas )
Material Information
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Chemical Resistance
| Acids - dilute |
Good |
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| Alcohols |
Good |
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| Alkalis |
Good |
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| Greases and Oils |
Fair-Poor |
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Electrical Properties
| Surface resistivity ( Ohm/sq ) |
1014 |
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| Volume resistivity ( Ohmcm ) |
1012 |
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Mechanical Properties
| Elongation at break ( % ) |
3 |
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| Tensile modulus ( GPa ) |
3.1 |
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| Tensile strength ( MPa ) |
66 |
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Physical Properties
| Abbe number |
58 |
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| Density ( g cm-3 ) |
1.02 |
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| Flammability |
HB |
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| Optical transmission ( % ) |
92-94 |
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| Radiation resistance |
Good |
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| Refractive index |
1.53 |
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| Resistance to Ultra-violet |
Fair-Poor |
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| Water absorption ( % ) |
<0.01 |
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Thermal Properties
| Coefficient of thermal expansion ( x10-6 K-1 ) |
60 |
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| Heat-deflection temperature - 0.45MPa ( C ) |
130 |
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| Thermal conductivity @0.16C ( W m-1 K-1 ) |
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Buy Cyclo-olefin copolymer on-line
| Standard products are available in these forms |
|
| Choose a form to search our on-line catalogue
|