Development and Application of Phase Change Materials (PCMs)

PC-21 Technical Data Sheet

Appearance: White crystalline solid or clear liquid above -21oC

Chemical composition: Hydrated sodium and calcium chlorides (min.90%)

Density: 1.11 g/cm3 at -25oC (est.)

Specific gravity: 1.17 at -10oC

Melting point: -21oC

Latent heat of fusion: 222 kJ/kg (isothermal max)

Heat capacity (liquid): 3.20 kJ/kgoC

Heat capacity (solid): 2.10 kJ/kgoC

Thermal conductivity (solid): TBA J/sec/cmoC

Thermal conductivity (liquid): TBA J/sec/ cmoC

Non combustible

Non flammable

Non Dangerous Goods classification – MSDS available on application.

Materials compatibility up to 40oC:

Most common thermo resins and thermo-set resin

Glass, concrete, rubber and hardwoods.

Not recommended for extended contact with iron, some stainless steels, aluminium or copper-based alloys.

It is strongly recommended that intended material usage compatibility be confirmed with qualified materials specialist or with PCP.

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