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Silicone Elastomer Tube

Available Configurations

Properties common to all products in this list

Composition: PDMS - (C₂H₆OSi)ₙ Form: Tube Material: Polydimethylsiloxane (PDMS) CAS Number: 63148-53-8 Commodity: Polymers
Silicone Elastomer Tube combines biocompatibility, flame resistance, and exceptional elasticity, making it a preferred material for medical, electronic, and thermal management systems. With high elongation at break, strong tensile properties, and low compression set, it delivers consistent mechanical performance under thermal and chemical stress. Industries such as biomedical engineering, aerospace, and industrial automation employ this material for respiratory devices, sterile fluid transport, and high-temperature cable protection. Notably, it has enabled minimally invasive microsurgery through compact endotracheal systems, and its structural resilience ensures reliable function even in confined, vibration-prone environments. Material advances continue to enhance strength, molding precision, and integration of functional additives for performance tuning. The tube form’s flexibility and inertness make it indispensable where fluid dynamics, sterility, and adaptability must coexist under stringent regulatory and operational demands.

Health hazard/Hazardous to the ozone layer

Starting at $181.00 each
No Minimum order Free technical support *Free delivery worldwide

Material Properties

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
each

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Available Configurations

Properties common to all products in this list

Composition: PDMS - (C₂H₆OSi)ₙ Form: Tube Material: Polydimethylsiloxane (PDMS) CAS Number: 63148-53-8 Commodity: Polymers

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Tolerances

Tube
Outside Diameter =<2mm ±10%
Outside Diameter =<5mm ±10%
Outside Diameter >5mm ±10%
Wall Thickness ±20%