Silicone Rubber Thermal Expansion Coefficient

2 chart 2 plastics and other non metals.

Silicone rubber thermal expansion coefficient.

Material properties material properties for gases fluids and solids densities specific heats viscosities and more. Untreated silicone in gel or liquid form will convert to solid after curing. The coefficient of thermal expansion is defined as the change in length or volume of a material for a unit change in temperature. There are different types depending on functional groups in the structure and curing mechanisms.

Key properties include thermal stability chemical stability electrical insulation and low toxicity. The curing method can be either vulcanized or catalyzed. Silicone rubber 190 0 x 10 6 342 0 x 10 6 mech. Our dialometry testing services use netzsch dil 402 pc or similar instrument.

These forces are generated by thermal expansion of the rubber and or swelling effect of a fluid. Silicones are polymers with a si o si backbone. For example silicone may expand linearly 5 9e 4 to 7 9e 4 in in c compared to aluminum at 23 0e 6 in in c or steel at 10 8e 6 in in c. If the seal is completely confined and the gland is 100 filled the dominating force is the force of thermal expansion of the rubber.

Thermal expansion is usually expressed in one of two ways either volumetric expansion or more commonly linear expansion expressed as a coefficient. Mse supplies stands behind our promise for h igh quality products with competitive pricing and dependable technical support from phd scientists. This expansion is an advantage for sealing applications. The table at.

Coefficient of thermal expansion silicone has a high thermal expansion coefficient and can be used as a temperature activation method or sensor in the design. Main applications are flexible seals o rings etc. Song in progress in rubber nanocomposites 2017. Temperature expansion thermal expansion of pipes and tubes stainless steel carbon steel copper plastics and more.

Abs pipes pressure ratings pressure ratings of. Choose professional dilatometry and thermal expansion coefficient cte testing services from mse analytical services. Generally linear thermal expansion is most applicable to solids. The overall coefficient is the linear thermal expansion in per degree.

There have been instances where a seal has ruptured a steel gland due to expansion when heated. Thermodynamics effects of work heat and energy on systems. Find linear thermal expansion coefficient α and volumetric coefficient for thermal expansion β at 20 c for rubber or for different material like brass copper concrete lead silver water and more. 2 2 4 silicone rubber sir silicone rubber sir is an elastomer composed of silicone containing silicon carbon hydrogen and oxygen in the form of a polymer.

Carbons 1 2 to 2 5 x 10 6 2 16 to 4 5 x 10 6.