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Thermal Conductivities Refrigeration Insulation

Thermal Conductivities of Material for Refrigeration and Extreme Low Temperatures

Table Calculator for typical Refrigeration Insulation k value and Bulk Density

* Test space pressure, 1.0 atm; k = 0.0047 at 10-5 mmHg.
† Test space pressure, 1.0 atm; k = 0.007 at 10-3 mmHg.

Conversion Factor

Quantity Reference Unit is equal to Conversion Factor Unit
1 BTU (int)/hour-foot-°F = 12 BTU (int)-inch/hour-square foot-°F
= 1 BTU (int)/hour-foot-°F
= 12.008030593291 BTU (thermochem)-inch/hour-sq. foot-°F
= 1.0006692161076 BTU (thermochem)/hour-foot-°F
= 0.0041337887321376 calorie (int)/second-centimeter-°C
= 0.0041365551299507 calorie (thermochem)/second-cm-°C
= 0.0017307346663714 kilowatt/meter-K
= 0.017307346663714 watt/centimeter-°C
= 1.7307346663714 watt/meter-K

Source:

Marks Standard Handbook for Mechanical Engineers

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