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Phase Change Materials (PCM)
 
Phase Change Material in Cold Storage and Cold Chain
 

The total production of fruits and vegetables in the world is around 370 MT India ranks first in the world with an annual output of 32 MT India with its current production of 32 MT of fruit, accounts for about 8% of the world’s fruit production. The diverse agro-climatic zones in the country make it possible to grow almost all varieties of fresh fruits and vegetables. The Fruit Processing sector has grown about 20% per annum. However, the growth rates have been extensively higher for frozen fruits and vegetables (121%) and dehydrated fruits and vegetables (24%). However, India loses about 35-40% of the produce due to improper post harvest management; a loss estimated at Rs. 40,000 crores per annum equivalent to annual consumption of UK.

Transportation of Fresh Vegetables, Fruits, Vaccines, Blood, Flowers, etc. is gaining more attention due to awareness regarding the hygiene and quality. Till today all cold storages are dependent on power generated by DG sets to maintain temperatures during power failures. Aster has developed PCM which can maintain temperatures around 0° C for up to 16 hrs depending on the requirement. This not only saves energy but also the environment from the harmful gases generated by DG sets.

 
 
   

Aster’s Cold Chain solution addresses the problems of storage and transport of Fruits, Vegetable and Flowers, etc. from farm to the destination. Use of PCM in cold chain not only reduces the expenses on maintaining freshness of agriculture produce but also protects the environment from smoke and noise pollution generated by the DG set.

Aster’s cold chain solutions are Cost Effective, Efficient and Reliable as compared to any other cold storage method. It reduces wastage and consequently, increases yields and revenue. On social front, this solution ensures the well being of the consumer and a greater income for the farmer.

 

PCM 0° C

 

Phase Transition Temperature

0° C

Useful Temperature Range

0° C to 5° C

Latent Heat

330 kJ/kg

Specific Gravity

1.0

Specific Heat Capacity (Liquid)

4.18 kJ/kg° C

Specific Heat Capacity (Solid)

2.03 kJ/kg° C

Thermal Conductivity (Liquid)

0.6 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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