Koura is a leading supplier to technical propellant markets including thermal insulation. Klea® propellants are used to deliver products by propelling from pressurised containers or to form foams within polymer or other matrix materials.
Safe and efficient blowing agents from the Klea® range of products are vital components of such insulation foams. Effective insulation of buildings, refrigerated transportation and many domestic and commercial refrigeration appliances is a key method for reducing energy consumption.
R134a Technical Propellant – Klea® 134a physical properties
|Property||S.I. Units||Value||British Units||Value|
|Normal Boiling Point||°C||-26.074||°F||-14.933|
|Latent Heat of Vapourisation at Atmospheric Pressure||kJ/kg||216.97||BTUIT/lb||93.28|
|Saturated Vapour Density at Atmospheric Pressure||kg/m3||5.2581||lb/ft3||0.33|
|Liquid Vapour Pressure @25°C||bara||6.6538||psia||96.51|
|Coefficient of Volumetric Thermal Expansion for Saturated Liquid at 25°C||°C-1||0.0032364||°F-1||0.00180|
|Speed of Sound* for Saturated Vapour at 25°C||m/s||144.26||ft/s||473.29|
|Adiabatic Exponent* for Saturated Vapour at 25°C||1.23||1.23|
|Latent Heat of Vapourisation at 25°C||kJ/kg||177.780||BTUIT/lb||76.43|
|Saturated Vapour Density at 25°C||kg/m3||32.350||lb/ft3||2.020|
|Saturated Vapour Density at 0°C||kg/m3||14.428||lb/ft3||0.901|
* Vapour composition as per bulk refrigerant at dew point