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Refrigerant R508B(Hits:34) 
Refrigerant R508B-R508B
  • Refrigerant R508B-R508B
R508B 

R508B, a PFC-based refrigerant, is the industry standard replacement for R-13 and R-503 in very low temperature applications [below -40°F to -150°F (-40°C to -101°C)] such as medical freezers and environmental chambers.  It offers advantages over R-23, including significantly lower compressor discharge temperatures, making it the best choice to ensure optimum systems reliability for critical applications.  R508B can be used in new equipment and can also be used to retrofit existing systems.

Replace 
R-13, R-23, and R-503

Applications
Very low temperature [below -40°F to -150°F (-40°C to -101°C)]: 
medical freezers
environmental chambers

Benefits
Endorsed by many OEMs. 
Longer equipment life: Lower discharge temperature than R-23, increases compressor service life.
Increased cooling capacity: 30% greater cooling capacity than R-13. 
Best match for R-503.
Lower retrofit cost than R-23.

 

Physical properties:

ComponentChemical name

CAS NO.

Weight%

R23

TRIFLUOROMETHANE

   75-46-7

30-50%

R116

HEXAFLUOROETHANE

   76-16-4

70-50%

Molecular weight   95.39
Boiling point   -88 ℃
Critical temperature   14℃
Critical pressure   3926kPa
Odor   Slight ethereal
Form   Liquefied gas
Color   Clear, colorless
Heat of vaporization at boiling point   168.2KJ/kg
Vapor Pressure at 25 ℃   3819kPa
Vapor Density at 25 ℃ (Air = 1) 
Liquid Density at 25 ℃   g/cm3
Ozone Depletion Potential(ODP)   0
Global Warming Potential(GWP) 100yr   12000
ASHARE Safety Group Classification   A1/A1
Flammability at 1 atm. and 18 ℃   Non-flammable


Lubricant Recommendation
POE

Packing:
Seamless steel cylinder , N.W.3.6KG, 8KG  


For any other information, please send email to cindy.hu@guomao-cool.com.

Item No.:R508B
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