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Master Bond adhesives

Honeywell Genetron® AZ-20 Refrigerant
Categories: Fluid
Material Notes: Genetron® AZ-20® (an azeotropic mixture of HFC-32/HFC-125, assigned R-410A by ASHRAE), has been developed by Honeywell to serve as a long-term, non-ozone-depleting replacement for HCFC-22 in a variety of new-equipment applications. Genetron AZ-20 has a significantly higher capacity and pressure than HCFC-22 and an intrinsically low toxicity. Because it behaves like an azeotrope, Genetron AZ-20 is easy to service in the field. Genetron AZ-20 is patented and has been recognized by Underwriters’ Laboratory as practically non-flammable.

Applications:
Unitary Air Conditioning: Genetron AZ-20 is the ideal non-ozone-depleting, long-term replacement for HCFC-22 in new residential and light commercial unitary air conditioning systems. In new unitary systems optimized for its use, with either scroll or reciprocating compressors, Genetron AZ-20 has shown in tests to have a 5-to-6 percent higher Energy Efficiency Rating (EER) than HCFC-22. Genetron AZ-20 also has a higher capacity and pressure than HCFC-22, enabling the design of smaller, more compact air-conditioning equipment.
Chillers: Genetron AZ-20 serves as an excellent replacement for HCFC-22 in new chillers, particularly positive displacement chillers. It also may serve as a retrofit fluid for replacing HCFC-22 in some existing chillers with components approved for high pressure, especially those with flooded heat-exchangers. Honeywell recommends contacting the original chiller equipment manufacturer before carrying out any retrofit.
Commercial Refrigeration: Genetron AZ-20 may be used as a replacement for HCFC-22 in new medium-temperature commercial refrigeration systems, including supermarket display cases and reach-in coolers.

Chemical Name: Difluoromethane/ Pentafluoroethane

Molecular Formula : CH2F2/CHF2CF3

Information provided by Honeywell
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 0.00417 g/cc0.000150 lb/in³Vapor at Boiling Point
 0.4596 g/cc0.01660 lb/in³Critical
 1.059 g/cc0.03825 lb/in³Liquid
Volatiles 99.99 %99.99 %
Viscosity  12.92 cP
@Temperature 5.00 °C		12.92 cP
@Temperature 41.0 °F		Vapor
 14.5 cP
@Temperature 25.0 °C		14.5 cP
@Temperature 77.0 °F		Vapor
 17.43 cP
@Temperature 50.0 °C		17.43 cP
@Temperature 122 °F		Vapor
 81.8 cP
@Temperature 50.0 °C		81.8 cP
@Temperature 122 °F		Liquid
 116.73 cP
@Temperature 25.0 °C		116.73 cP
@Temperature 77.0 °F		Liquid
 150.87 cP
@Temperature 5.00 °C		150.87 cP
@Temperature 41.0 °F		Liquid
Molecular Weight 72.6 g/mol72.6 g/mol
Vapor Pressure 16.52 bar12390 torr
Surface Tension  0.901 dynes/cm
@Temperature 60.0 °C		0.901 dynes/cm
@Temperature 140 °F
 1.423 dynes/cm
@Temperature 55.0 °C		1.423 dynes/cm
@Temperature 131 °F
 1.987 dynes/cm
@Temperature 50.0 °C		1.987 dynes/cm
@Temperature 122 °F
 2.585 dynes/cm
@Temperature 45.0 °C		2.585 dynes/cm
@Temperature 113 °F
 3.212 dynes/cm
@Temperature 40.0 °C		3.212 dynes/cm
@Temperature 104 °F
 3.864 dynes/cm
@Temperature 35.0 °C		3.864 dynes/cm
@Temperature 95.0 °F
 5.235 dynes/cm
@Temperature 25.0 °C		5.235 dynes/cm
@Temperature 77.0 °F
 5.539 dynes/cm
@Temperature 30.0 °C		5.539 dynes/cm
@Temperature 86.0 °F
 5.949 dynes/cm
@Temperature 20.0 °C		5.949 dynes/cm
@Temperature 68.0 °F
 6.681 dynes/cm
@Temperature 15.0 °C		6.681 dynes/cm
@Temperature 59.0 °F
 7.429 dynes/cm
@Temperature 10.0 °C		7.429 dynes/cm
@Temperature 50.0 °F
 8.192 dynes/cm
@Temperature 5.00 °C		8.192 dynes/cm
@Temperature 41.0 °F
 8.969 dynes/cm
@Temperature 0.000 °C		8.969 dynes/cm
@Temperature 32.0 °F
 9.76 dynes/cm
@Temperature -5.00 °C		9.76 dynes/cm
@Temperature 23.0 °F
 10.564 dynes/cm
@Temperature -10.0 °C		10.564 dynes/cm
@Temperature 14.0 °F
 11.38 dynes/cm
@Temperature -15.0 °C		11.38 dynes/cm
@Temperature 5.00 °F
 12.208 dynes/cm
@Temperature -20.0 °C		12.208 dynes/cm
@Temperature -4.00 °F
 13.046 dynes/cm
@Temperature -25.0 °C		13.046 dynes/cm
@Temperature -13.0 °F
 13.895 dynes/cm
@Temperature -30.0 °C		13.895 dynes/cm
@Temperature -22.0 °F
 14.754 dynes/cm
@Temperature -35.0 °C		14.754 dynes/cm
@Temperature -31.0 °F
 15.622 dynes/cm
@Temperature -40.0 °C		15.622 dynes/cm
@Temperature -40.0 °F
 
Chemical PropertiesMetricEnglishComments
Critical Pressure 49.02 bar36770 torr
Critical Temperature 71.356 °C160.44 °F
 
Electrical PropertiesMetricEnglishComments
Dielectric Strength 2.00 kV/mm
@Pressure 0.101 MPa		50.8 kV/in
@Pressure 14.7 psi
Dielectric Breakdown  9580 V
@Pressure 1.00 MPa,
Temperature 7.22 °C		9580 V
@Pressure 145 psi,
Temperature 45.0 °F		0.02 d (Gap) in
 17000 V
@Pressure 1.647 MPa,
Temperature 25.0 °C		17000 V
@Pressure 238.9 psi,
Temperature 77.0 °F		0.02 d (Gap) in
 28100 V
@Pressure 2.62 MPa,
Temperature 43.3 °C		28100 V
@Pressure 380 psi,
Temperature 110 °F		0.02 d (Gap) in
 55400 V
@Pressure 1.00 MPa,
Temperature 7.22 °C		55400 V
@Pressure 145 psi,
Temperature 45.0 °F		0.01 d (Gap) in
 92500 V
@Pressure 1.647 MPa,
Temperature 25.0 °C		92500 V
@Pressure 238.9 psi,
Temperature 77.0 °F		0.01 d (Gap) in
 148300 V
@Pressure 2.62 MPa,
Temperature 43.3 °C		148300 V
@Pressure 380 psi,
Temperature 110 °F		0.01 d (Gap) in
 
Thermal PropertiesMetricEnglishComments
Heat of Vaporization 273.35 J/g
@Pressure 0.101 MPa		117.43 BTU/lb
@Pressure 14.7 psi		at Boiling Point
Specific Heat Capacity 1.72 J/g-°C0.410 BTU/lb-°FLiquid
 0.711 J/g-°C
@Pressure 0.101 MPa		0.170 BTU/lb-°F
@Pressure 14.7 psi		Vapor
Thermal Conductivity  0.0128 W/m-K
@Temperature 5.00 °C		0.0888 BTU-in/hr-ft²-°F
@Temperature 41.0 °F		Vapor
 0.0157 W/m-K
@Temperature 25.0 °C		0.109 BTU-in/hr-ft²-°F
@Temperature 77.0 °F		Vapor
 0.0241 W/m-K
@Temperature 50.0 °C		0.167 BTU-in/hr-ft²-°F
@Temperature 122 °F		Vapor
 0.0791 W/m-K
@Temperature 50.0 °C		0.549 BTU-in/hr-ft²-°F
@Temperature 122 °F		Liquid
 0.0924 W/m-K
@Temperature 25.0 °C		0.641 BTU-in/hr-ft²-°F
@Temperature 77.0 °F		Liquid
 0.1034 W/m-K
@Temperature 5.00 °C		0.7176 BTU-in/hr-ft²-°F
@Temperature 41.0 °F		Liquid
Melting Point -155 °C-247 °F
Boiling Point -51.4 °C
@Pressure 0.101 MPa		-60.6 °F
@Pressure 14.7 psi

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PHONWL134 / 179679




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