Polystyrene Insulation Thermal Properties

The thermal conductivity of expanded polystyrene foam of density 20 kg m 3 is 0 035 0 037 w m k at 10 c.

Polystyrene insulation thermal properties.

Expandable polystyrene either crystal polystyrene 2 or styrene copolymers soaked with a blowing agent usually pentane are used to produce various foamed products like disposable drinking cups egg cartons trays fast food containers cushioned packaging and thermal insulation for the construction market. Achieve more than 23 better thermal insulating properties. Thermal efficiency when compared to brick veneer there s no doubt that expanded polystyrene has superior thermal properties. Polystyrene foams are good thermal insulators and are therefore often used as building insulation materials such as in insulating concrete forms and structural insulated panel building systems.

This article provides a table of insulation values and properties for various insulation materials useful in procedures to measure or calculate heat loss in a building defines thermal terms like btu and calorie provides measures of heat transmission in materials building insulation design data and heat loss in a building. For contact thermal insulating systems we use façade polystyrenes marked by the grade f. The mostly used insulant in civil engineering is the white polystyrene. Technonicol company specialists have developed a unique technology for producing extruded polystyrene slabs with nanoscale carbon particles.

This is quantified through the r value of the two materials or thermal resistance which is an approximate measurement of how much the material impedes the transfer of heat. Grey polystyrene foam incorporating graphite has superior insulation properties. Sizes and thermal properties celfort and foamular high density insulation boards are available in a variety of thicknesses. In general thermal insulation is primarily based on the very low thermal conductivity of gases.

Gases possess poor thermal conduction properties compared to liquids and solids and thus makes a good insulation material if they can be trapped e g. Insulation r values of various materials. Extruded polystyrene thermal insulation boardwill not corrode or decay over time celfort 300 foamular 400 600 and 1000 are type 4 closed cell thermal insulating foams can ulc s701 01 supercedes can cgsb512 0 m87. Typical thermal conductivity values for expanded polystyrene are between 0 030 and 0 040w m k.

Extruded polystyrene xps is one of the most efficient thermal insulation materials which is widely used in the construction of foundations basements floors walls roofs pipelines roads and railways. How effective is polystyrene insulation. Astm c578 standard specification for rigid cellular polystyrene thermal insulation addresses the physical properties and performance characteristics of eps foam as it relates to thermal insulation in construction applications.