Conductivity Glass Vs Styrofoam Vs Ceramic

Calcium silicate thermal conductivity.

Conductivity glass vs styrofoam vs ceramic. The key difference between glass and ceramic is that ceramics have crystalline or semi crystalline or non crystalline atomic structure whereas the atomic structure of glass is non crystalline. Glass ceramic is a clear light amber tinted or opaque black material. Summary glass vs ceramic. Notes on the r value k values of different forms of asbestos.

This high thermal conductivity relates to a relatively fast temperature equilibrium between the mug and the liquid meaning the liquid will cool off rather quickly. Styrofoam as insulators in calorimetry. Cellular glass insulation is composed of crushed glass combined with a cellulating agent. Thermal conductivity is a material property that describes ability to conduct heat thermal conductivity can be defined as the quantity of heat transmitted through a unit thickness of a material in a direction normal to a surface of unit area due to a unit temperature gradient under steady state conditions.

The thermal conductivity of a ceramic mug is approximately 3 8 w mk while the thermal conductivity of the glass mug is approximately 1 1 w mk. Thermal conductivity of glass. Glass is made of sand and other minerals that are melted together at very high temperatures to form a material that is ideal for a wide range of uses. When it comes to retaining heat glass is inferior to plastic and styrofoam in terms of insulation.

Rosato asbestos insulation is the most authoritative source on asbestos properties and gives data for the thermal conductivity of asbestos in different forms and with varying temperatures for magnesia asbestos insulation at mean temperatures ranging from 100 f to 400 f the k value thermal. Notes to the table above. If you performed the neutralization reaction in a glass beaker instead of a styrofoam cup would you expect to register more or less. The thermal conductivity for each as measured in btu feet hour degrees f is 1 82 for glass 0 09 for paper 0 06 for styrofoam.

Ceramic has a higher specific heat 900 j kg k than glass 800 j kj k which means ceramic will lose heat through convection at a slightly slower pace than glass. The conductivity of plastics varies depending on the specific materialized used which in plastics can vary. Glass conducts heat easily and is not as good an insulator as styrofoam. Submitted by sunshine on mon 02 25 2008 20 56.

During the heating process the crushed glass turns to a liquid. With a ceramic mug heat loss through convection should occur about 11 1 percent slower 100 800 j kj k 900 j kj k than it would through a glass mug of the same shape and. These components are mixed placed in a mold and then heated to a temperature of approximately 950 o f. It comes stock in only 3mm 4mm and 5mm thicknesses.