R 142B

 

 

BTTRI GAS 142b
CH 3 CCLF 2

 

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                                       1.Chloro,1.1.difluoroethane

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* INTRODUCTION

 

BTTRI GAS® R142b is colorless gas , It becomes colorless and transparent liquid under the pressure created by itself. It dissolves oil easily, but not in water. It is an effective replacement gas for CFC-12 in rigid polyurethane, polystyrene foam insulation applications , Uses include both residential and commercial construction , as well as process piping , Its main applications cover refrigerating systems at high temperature, on-off thermostat and intermediate in the aviation propellant. It can also be used in metal allegory, chemical and meter industries etc. .

 

* TYPICAL PROPERTIES

 

 Chemical Name 1.Chloro,1.1.difluoroethane
 Chemical Formula CH 3 CCLF 2
 ASHRAE Number R-142b
 Molecular Weight 100.50
 Boiling Point under 1.013 X 105 Pa,℃ -9.8
 Freezing Point -131.00 
 Density of liquid at 25℃,g/cm^3 1.09
 Vapor pressure at 25℃,MPa 0.3
 Saturated vapour density at Bp.,Kg dm^-3 20
 Critical temperature,℃ 137.2
 Critical pressure,Mpa 4.12
 Critical density,kg/dm^3 49
 Latent heat of vaporization at Bp.,kJ . Kg^-1
 Solubility at 25℃,HCFC-142b in water %by weight 0.1
 Solubility at 25℃,Water in HCFC-142b, % by weight
 Thermal conductivity at 25℃;Liquid, W m^-1 ℃^-1
 Thermal conductivity at 25℃;Vapour under 1.013X10^5Pa,W/mc 0.013
 ODP Limited flammability(with air),%by voln 7.8-16.

 

* SPECIFICATION

 

 Purity,%,min    99.5 
 Moisture content,mg/Kg,max     20
 ODP  0.07
 GWP  2,310
 Atmospheric Lifetime  17.9
 Toxicity

 

* PACKING

 

 *All Containers should be stored in cool, dry and ventilated place, and kept away from sunlight and rain.
Cans  1 Kg
Disposable Cylinder  13.6 Kg
Refillable Cylinder  60 Kg
Tank  890 Kg
ISO Tank  16 MT

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