Aster - Phase Change Material in Telecom Shelters

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	Phase Change Materials (PCM)

Phase Change Material in Telecom Shelters

Use of PCM 29 in telecom shelter can maintain the inside temperature at 25-35 0C up to 6-10 hrs of operation
PCM gets charged, when AC is switched on; when the power goes off, it starts discharging i.e. absorbing the heat released by the telecom equipments. Thus it maintains a uniform temperature within the shelter

Phase Change Material in Telecom Shelters

Technical Specifications of PCM 29° C

Phase Transition Temperature	29° C
Useful Temperature Range	25° C to 35° C
Latent Heat	185 to 190 kJ/kg
Specific Gravity	1.5
Heat Capacity (Liquid)	2.30 kJ/kg° C
Heat Capacity (Solid)	1.45 kJ/kg° C
Thermal Conductivity (Liquid)	1.0 W/mK
Thermal Conductivity (Solid)	0.8 W/mK
Combustibility	Non Combustible
Toxicology	Non Toxic
Flammability	Non Flammable
Transportability	No hazards for air, sea and road freight

Technical Specifications of PCM 25° C

Phase Transition Temperature	25° C
Useful Temperature Range	20° C to 30° C
Latent Heat	165 kJ/kg
Specific Gravity	1.5
Heat Capacity (Liquid)	2.30 kJ/kg° C
Heat Capacity (Solid)	1.45 kJ/kg° C
Thermal Conductivity (Liquid)	1.0 W/mK
Thermal Conductivity (Solid)	0.8 W/mK
Combustibility	Non Combustible
Toxicology	Non Toxic
Flammability	Non Flammable
Transportability	No hazards for air, sea and road freight

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