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Cyclo olefin copolymer Granules

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.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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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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