R 403B

 

BTTRI GAS 403B
CHClF2/CF3CF2CF3/CH3CH2CH3

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                           pentafluoroethane, 1,1,1,2-tetrafluoroethane, isobutane

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  * INTRODUCTION

 

 Very low temperature single-stage refrigeration

 

  * TYPICAL PROPERTIES

 

Chemical Name pentafluoroethane, 1,1,1,2-tetrafluoroethane, isobutane
Chemical Formula CHClF2/CF3CF2CF3/CH3CH2CH3
CAS Number ISCEON 69-L
ASHRAE Number R403B
Molecular Weight                             116
Boiling Point @1Atmos             1.013
Freezing Point  @1Atmos
Critical Temperature                    91.6
Critical Pressure ( psia )   637.7
Saturated Liquid Density @ 70°F (lb./cu.ft.) 72.8
Specific Heat of Liquid @ 86°F (Btu/lb.°F) 0.313
Specific Heat of Vapour (Btu/lb.°F) 0.182
ANSI/ASHRAE Standard 34-1992 Safety Group Classification A1
Flammability None

 

  * SPECIFICATION

 

  Appearance  Colorless 
  Purity(≥%)  99.8
  Acidity(≤%,HCl)  1 PPM
  Toxicity None
  Atmospheric Lifetime 1,021.32
  ODP 0.028
  GWP 4,457

 

  * PACKING

 

 *All Containers should be stored in cool, dry and ventilated place, and kept away from sunlight and rain.
 Cans  1 Kg
 Disposable Cylinder  Not available
 Refillable Cylinder  Not available
 Tank  Not available
 ISO Tank  16 MT

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