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Formula: COC Topas®
Form: Granule
Material: Cyclo olefin copolymer (COC)
CAS Number: 26007-43-2
Commodity: Polymers
Nominal Granule Size:
4mm
Cyclo olefin copolymer (COC Topas®) granules are used in high-precision applications in the pharmaceutical and medical device manufacturing, where optical clarity, chemical resistance, and low moisture absorption are crucial. These granules are utilized in drug packaging, diagnostic devices, and microfluidic components, where optical precision and material stability are crucial. COC granules exhibit low birefringence, supporting high-accuracy optical sensors and precision analytical instruments. Their resistance to harsh sterilization conditions makes them suitable for biotech and laboratory applications.
Material Properties for Polymers
Physical Properties
| Element | Value |
|---|---|
| Abbe number | 58 |
| Flammability | HB |
| Radiation resistance | Good |
| Refractive index | 1.53 |
| Resistance to Ultra-violet | Fair-Poor |
| Optical transmission( % ) | 92-94 |
| Water absorption( % ) | 0.01 |
| Water absorption - over 24 hours( % ) | 0.01 |
| Density( gcm⁻³ ) | 1.02 |
Chemical Resistance
| Element | Value |
|---|---|
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Greases and Oils | Fair-Poor |
Mechanical Properties
| Element | Value |
|---|---|
| Elongation at break( % ) | 3 |
| Tensile modulus( GPa ) | 3.1 |
| Tensile strength( MPa ) | 66 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 130 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.16 |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 60 |
Electrical Properties
| Element | Value |
|---|---|
| Surface resistivity( Ohm/sq ) | 10¹⁴ |
| Volume resistivity( Ohmcm ) | 10¹² |
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