Table 2 Thermo-physical properties of used PCM.

From: Thermal performance evaluation of phase changing materials in double glazing units for office buildings in Egypt

PCM

Petroleum Jelly (Vaseline)

Thermal conductivity

(W m-1 C-1)

0.18

Average Density (kg m-3)

850

Thickness (mm)

9

Melting Point (°C)

36 – 6029

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