Silicone Rubber Thermal Expansion Coefficient

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Silicone rubber thermal expansion coefficient.

The curing method can be either vulcanized or catalyzed. Choose professional dilatometry and thermal expansion coefficient cte testing services from mse analytical services. Our dialometry testing services use netzsch dil 402 pc or similar instrument. Untreated silicone in gel or liquid form will convert to solid after curing.

Silicone rubber 190 0 x 10 6 342 0 x 10 6 mech. Temperature expansion thermal expansion of pipes and tubes stainless steel carbon steel copper plastics and more. Generally linear thermal expansion is most applicable to solids. The overall coefficient is the linear thermal expansion in per degree.

Key properties include thermal stability chemical stability electrical insulation and low toxicity. Mse supplies stands behind our promise for h igh quality products with competitive pricing and dependable technical support from phd scientists. Main applications are flexible seals o rings etc. 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.

Silicones are polymers with a si o si backbone. The coefficient of thermal expansion is defined as the change in length or volume of a material for a unit change in temperature. Material properties material properties for gases fluids and solids densities specific heats viscosities and more. There have been instances where a seal has ruptured a steel gland due to expansion when heated.

There are different types depending on functional groups in the structure and curing mechanisms. The coefficient of volumetric thermal expansion for all silicone rubber products is in the range of 5 9 to 7 9 x 10 4 4 c. These forces are generated by thermal expansion of the rubber and or swelling effect of a fluid. Carbons 1 2 to 2 5 x 10 6 2 16 to 4 5 x 10 6.

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. The cte employs reciprocal temperature units k 1 f 1 c 1 etc representing the length change per degree per unit length e g in in f or mm mm c. Abs pipes pressure ratings pressure ratings of. The linear thermal expansion coefficient cte is dependent on the material from which an object is made.

Song in progress in rubber nanocomposites 2017. 2 chart 2 plastics and other non metals. If the seal is completely confined and the gland is 100 filled the dominating force is the force of thermal expansion of the rubber. This expansion is an advantage for sealing applications.

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.