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Formula: PDMS - (C₂H₆OSi)ₙ
Form: Rod
Material: Polydimethylsiloxane (PDMS)
CAS Number: 63148-53-8
Commodity: Polymers
Type: Flexible Cord
Silicone Elastomer Rod exhibits excellent flexibility, high thermal stability, and chemical inertness, making it ideal for long-term deployment in complex scientific environments. Its elastomeric structure resists degradation from water, oxidizers, and many solvents, maintaining functional integrity over time. Commonly used in environmental monitoring, pharmaceutical systems, and polymer research, it serves in passive samplers, sustained drug-release implants, and dielectric supports. It is particularly effective in the extraction and partitioning of polar contaminants and therapeutic molecules from aqueous media, offering consistent performance over multi-week exposures. In research, the rod geometry allows precise modeling of surface-area-to-volume dynamics and controlled compound uptake. These features position Silicone Elastomer Rod as a versatile material in applications requiring prolonged chemical stability, flexible geometry, and high mechanical resilience across environmental and biomedical domains.

Health hazard/Hazardous to the ozone layer

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Tolerances

Rod
Diameter +20% / -10%

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Good-Poor
Acids - dilute Good-Poor
Alcohols Good-Fair
Alkalis Good-Fair
Aromatic hydrocarbons Poor
Greases and Oils Good-Poor
Halogenated Hydrocarbons Poor
Halogens Poor
Ketones Poor
Mechanical Properties
Element Value
Hardness - Rockwell 60 degrees Shore A
Elongation at break( % ) 200-800
Tensile strength( MPa ) 6.5
Physical Properties
Element Value
Radiation resistance Poor
Density( gcm⁻³ ) 1.1-1.5
Thermal Properties
Element Value
Lower working temperature( C ) -20
Upper working temperature( C ) 200-260
Specific heat( J K⁻¹ kg⁻¹ ) 1300-1500
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.22@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 250-300
Electrical Properties
Element Value
Volume resistivity( Ohmcm ) 10¹⁸-10²₀

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