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QUESTION:

K factor is thermal conductivity (heat transferred per unit of time for unit area for a temperature gradient of one °F per unit length of heat path), Btu-in./h-ft.2-°FWhat is K factor?

ANSWER:

K factor is thermal conductivity (heat transferred per unit of time for unit area for a temperature gradient of one °F per unit length of heat path), Btu-in./h-ft.2-°F

“k”: Thermal conductivity, the amount of heat (Btu’s) transferred in 1 hour through 1 square foot of a homogeneous material 1 inch thick for a difference in temperature of 1°F. For example, the “k” for Durafoam DK1111 is 0.275 at 90°F. This means that for a 1 inch thickness there is a heat transfer of 0.275 Btu per hour per square foot for each degree difference in temperature between its two surfaces. Usually expressed in Btu-in./h-ft.2-°F in the insulation field.John Bonforte, Sr.

Monmouth Rubber & Plastics
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