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Infinite Shelf Life - Zero Thermal Degradation - for Free Cooling, Telecom Shelters, Air-condition Back-up, Electronic Comfort, Cold Storage and Cool Shipment, Cool Furniture, Cool Cothing, Solar Energy, Green House          

Phase Change Material Manufacturers - PCM

Phase Change Material Salt - All your Definition Physics & Chemistry of Thermal Energy Storage Science & Application for Electronic Cooling Construction or Building Refrigeration Freezer Heat Sinks or Storage by Renewable Energy or Solar Energy.

Phase Change Materials (PCMs) or Thermal Salts are "latent" energy storage materials. They use chemical bonds to store and release heat. The thermal energy transfer occurs when a material changes from a solid to a liquid, or from a liquid to a solid. This is called a change in state, or "phase."  Ice changes phase when heated at 0 deg C and is converted to water. Ice is an excellent PCM.

Ice changing Phase

It absorbs a large amount of heat in the process of changing from solid to liquid phase and this results in cooling of the surroundings.  But what if you require this heat at a temperature other than zero? Thermal Salts can give out latent heat at a wide range of temperatures from sub-zero to several hundred degrees. This 'heat-on-demand' requirement is satisfied by PCMs which work at specified temperatures.  We have developed a wide range of Thermal Salt for different applications and our team of scientists and engineers can arrive at a customized PCM solution for your unique need.


PCMs can be broadly classed as Organic and Inorganic.

Organic PCMs:
Organic Thermal Salt can be Aliphatic or Other Organics. Users rarely specify the use of Organic PCMs. Latest TM can offer Organic PCMs in low temperature range. Organic items are expensive and they have average Latent Heat per unit volume and low density. Most items in organic range are combustible in nature. They also have a wider range of Melting Point. Some customers specify organic PCM and we offer them as per their requirement. You need specify the desired Melting Point only.

Inorganic PCMs:
Inorganic Thermal Salt are generally Hydrated Salt based materials. Academicians are likely to misguide you into using pure hydrated salts like Sodium Sulphate Decahydrate and so on. Hydrated salts have a number of hydrates and an anhydrous form leading to stratification of material and loss of Latent Heat recovery with time. Hydrated salts also have a sub-cooling tendency. Old generation Thermal Salt manufacturers managed to add performance-enhancing agents. These additives do help in delaying the degradation of the thermal salt for say 100 cycles or thereabout. However, they do not address the basic reasons due to which sub-cooling and degradation happens. Earlier researchers emphasized that it is beneficial to use impure grades of base material as it promotes the nucleation and prevents sub-cooling. However, impurities also promoted nucleation of undesirable hydrates leading to stratification. Experts on crystallography have managed to identify the “Preferred Crystal Nucleation” method. It consists of a “Cold Finger” that nucleates and promotes the growth of desired crystals and “Detoxification” or “Selective Elimination” whereby any impurity that promotes the growth of undesirable crystals is removed. The current methods of Thermal Salt manufacturing are like the new generation “Combination Drugs”.


Selected List of Hydrated Salt - Eutectic PCM by Melting Point Temperature.

Melting Point oC

Grade of PCM

Useful Range

Latent Heat (L.H.) KJ/Kg

L.H. in Useful Range KJ/Kg

Specific Gravity

Remarks

-50oC

Freezer Salt

-60 to -40oC

325

395

1.3

 

-23oC

Freezer Salt

-30 to -15oC

330

380

1.2

 

-16oC

Freezer Salt

-25 to -05oC

330

380

1.02

 

 00oC

Precision

-10 to -00oC

335

380

1

 

04oC

Preservation

00 to 10oC

105

135

1.4

 

07oC

Preservation

02 to 12oC

135

170

1.4

 

07oC

Preservation

02 to12oC

300

330

1.4

Only Know-How Offered.

10oC

Preservation

05 to 15oC

170

200

1.4

 

15oC

Preservation

10 to 20oC

175

210

1.4

 

18oC

Solar

15 to 21oC

175

210

1.5

Free Day-Night Cooling & Heating.
Air Conditioning AC
Cool Furniture, Cool Vests etc.

21oC

Solar

18 to 24oC

175

210

1.5

24oC

Solar

18 to 30oC

175

210

1.5

27oC

Solar

22 to 32oC

175

210

1.5

29oC

AC-Backup

22 to 36oC

>175

>210

1.5

To Give Back-up to AC & Telecom Shelter

32oC

AC-Backup

22 to 36oC

210

250

1.4

36oC

Electronic

30to 50oC

260

300

1.4

Electronic Comfort

40oC

Electronic

30 to 50oC

220

260

1.4

45oC

Heating

40 to 55oC

220

260

1.4

Solar Heater

Hot Pads. Heat Sinks

48oC

Heating

40 to 58oC

220

260

1.4

58oC

Heating

40 to 58oC

220

260

1.4

68oC

Electronics

40 to 70oC

220

280

1.8

Electronic Sinks

70oC

Electronics

40 to 75oC

230

290

1.8

78oC

Electronics

40 to 80oC

240

300

1.8

89oC

 

50 to 100oC

145

185

1.5-1.6

We have PCM & Heat-Treatment Salts upto 1100oC

The Yellow Marked Products are running items and extensively used world wide.

For a detailed write up on Thermal Salt visit our page PCM Manufacturers Products. It gives general information on all the products like T-series Salts18-29C; S-series Salts 32-48C. Hot & Cold Packs, Freezer Salts, “Your Choice PCM”, and Encapsulation are also addressed.

For a write up on Thermal Salt for general purpose like Green house Electronics, visit our page PCM - General Products like Green House Electronic cooling. It covers most items with a little more details.

For a PCM cooled low humidity 7200 sq. ft. ware house click Air conditioned by PCM - Phase Change in Houston, USA.

For a write up on Thermal Salt Free Air Conditioning & Heating by Day-Night equalization at a target of 23-24oC, green House at 16oC and Cold Storage-Shipment visit our page Phase Change Materials Air Conditioner at 21C or 29C Natural Cooling - PCM AC. Backup

For a write up on Thermal Salt for Air Conditioning Back-up & Free-Cooling by Day-Night equalization in Telecom Shelter along with a Live-Site Trial, Elimination of Diesel Generator visit our page Telecom Shelters - PCM

For Encapsulation of PCMs visit our page PCM - Encapsulation

For Testing Methods, Conversion to BTU/oF/lb etc. and Frequently Asked Questions visit our page Doctor Says

PCM Manufacturers
Phase Change Material Manufacturers & Suppliers

PCM Energy P. Ltd
Mazgaon, Mumbai 400 010, INDIA
TEL: 91-22-23770100, 23774610, 23726950, 23723564. FAX: 91-22-23728264

USA & Canadian Customers may Call 773-829-5811
Current Date Time in India

Email: anmol@pcmenergy.com

Copyright and Usual Disclaimer is Applicable
Last updated: 22 May, 2014

Pacing PCM SS Balls
----- PCM filled Panels ------------------- PCM filled SS Ball -

PCM AC Air Condition
Natural Air conditioning with PCM in Ceiling.

Natural Cooling by Phase Change Materials
Renewable Energy PCM Cooled AC Office building in Netherlands.

Floating balls cooled by Phase Change Material Inside of Floating balls Public display at Rotterdam
Floating Balls of Rotterdam cooled (Air Conditioned) by PCM.


Heat Exchanger Stackable & Wall Mountable PCM-Filled Profiles

PCM Phase Change Material Suppliers & Exporters to USA (Representatives in Houston Texas & Chicago Illinois) Canada UAE Europe South Africa Egypt Turkey Mexico Brazil Argentina Chile Dubai & European areas like England UK Switzerland France Poland Italy Netherlands Sweden Spain Australia Korea etc.

I shall pass through this world, but once. If therefore, there is any good that I can do, or if there is any favor that I can show to a fellow human being, let me do it now. Let me not defer or neglect it. For I shall not tread this way again.

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