THE REDTEK
STORE
A Mid Atlantic Region
RedTek Products Distributor
RED TEKŪ 12a Vapor Pressure/Temperature Chart
RED TEKŪ 22a Vapor Pressure/Temperature Chart
RED TEKŪ 502a Vapor Pressure/Temperature Chart
Application for RED TEKŪ Refrigerants
Environmental Properties
Oil Selection Chart
Physical Properties
Refrigerant Purity
Seal/Refrigerant Compatibility
Thermodynamic Properties
Application for RED TEKŪ Refrigerants  [top]

RED TEKŪ hydrocarbon refrigerants are used in a wide range of automotive, commercial, and industrial air conditioning and refrigeration systems.

REFRIGERANT COMPOSITION REPLACEMENT
RED TEKŪ 12a zeotrope (CFC-12, HFC-134a)
RED TEKŪ 22a pure HCFC-22
RED TEKŪ 502a zeotrope R502, HFC-407C



Environmental Properties  [top]

Environmental organizations and Green Peace have endorsed hydrocarbon refrigerants because they are ecologically safe and non toxic. RED TEKŪ refrigerants are non ODP products and are very low global warming.

REFRIGERANT NATURAL PRODUCT ODP GWP ATMOSPHERE LIFETIME (yrs.)
RED TEKŪ 12a yes 0 3 <1
RED TEKŪ 22a yes 0 3 <1
RED TEKŪ 502a yes 0 3 <1
R12 no 0.80 10600 100
R134a no 0 1600 13
R22 no 0.032 1800 12



Oil Selection Chart  [top]

RED TEKŪ refrigerants are fully compatible with most common refrigeration lubricants. All RED TEKŪ refrigerants are soluble with all refrigeration oils. RED TEKŪ refrigerants should not be used with silicone oils.

REFRIGERANT LUBRICANT
RED TEKŪ 12a MO, POE, PAG or AB
RED TEKŪ 22a MO, POE, PAG or AB
RED TEKŪ 502a MO, POE, PAG or AB
R12 MO
R134a POE
R22 MO or AB
R502 MO or AB
R23 POE
R13 MO or AB
R507 POE
R408A AB
R402B MO or AB
R409A MO or AB
R407C POE
R401B MO or AB
R508B POE
MO Mineral Oil
PAG Poly alkyl glycol
AB Alkylbenzene
POE Polyol Ester



Physical Properties  [top]

RED TEKŪ refrigerants are compared against non Hydrocarbon refrigerants.

           
RED TEKŪ 12a HC zeotrope +12-+32% HC -31 106 34 367kJ/kg
RED TEKŪ 22a HC pure +12-30% HC -42 96.7 42 439kJ/kg
RED TEKŪ 502a HC zeotrope +12-25% HC -47 91.8 46.2 338kJ/kg
R12 CFC pure 0 halide -30 112 41.1 145kJ/kg
R134a HFC pure -8% halide -26 101.1 40.7 189kJ/kg
R22 HCFC pure 0 halide -40 96 49.7 180kJ/kg



Refrigerant Purity  [top]

RED TEKŪ 12a, 22a, and 502a hydrocarbon refrigerants are 99.7% pure saturated hydrocarbon. Total quality is assured from product development through actual production. RED TEKŪ refrigerants blending process complimented by ISO 9002 certification, means consistent, continuing conformance.

MOISTURE AROMATICS SULFUR
<10 mg/kg <15 mg/kg <2 mg/kg



Seal/Refrigerant Compatibility  [top]

Most all common elastomer and plastic refrigeration materials used as o-rings, seals, and gaskets are compatible with RED TEKŪ refrigerants. Butyl hoses are incompatible and should not be used with hydrocarbon refrigerants.


Refrigerant VITON DISOGRIN BUNA N NEOPRENE BUTYL TEFLON
RED TEKŪ 12a E G E G U E
RED TEKŪ 22a E G E G U E
RED TEKŪ 502a E G E G U E
Freon 11 E U F U U E
Freon 12 G G G E F E
Freon 21 U X U P P E
Freon 22 U U U G G E
Freon 114 G E E E G E
Freon 115 G X G G G E
Freon 142b U X E E E E
Freon 152a U X E E E E
Freon C318 G X G G G E

LEGEND:    E=Excellent     G=Good     F=Fair     P=Poor     U=Unsatisfactory     X=Unknown

Notes:

EPR = Ethylene-Propylene
Disogrin = Polyurethane
Buna N = Nitrile
Viton = Fluorocarbon



Thermodynamic Properites  [top]

Thermodynamic properties of RED TEKŪ refrigerants are compared to various refrigerants.


Property RED TEKŪ
12a
RED TEKŪ
22a
RED TEKŪ
502a
R12 R134a R22
Specific heat, l (kJ/kg.K) 2.51 2.91 2.73 .98 1.43 1.29
Specific heat, v (kJ/kg.K) 1.77 1.88 1.89 .70 1.01 .91
Density, (kg/mģ) 533 496 500 1310 1206 1191
Density, (kg/mģ) 12.2 21 22.50 36.8 32.3 44.8
Ratio specific heats,l 1.43 1.61 1.62 1.63 1.56 1.80
Ratio specific heats,v 1.16 1.25 1.26 1.24 1.23 1.72
Viscosity,l (Pa.s)x10Ŋ6 141 102 101 199 208 146
Viscosity,v (Pa.s)x10Ŋ6 8.4 8.8 8.9 13.4 12.1 12.9
Surface Tension(N/m)x10Ŋģ 9.3 7.0 7.1 8.5 8.3 8.2
Temperature glide (K) 7.8 0 3.9 0 0 0
Speed of Sound, l (m/s) 814 720 724 406 508 522
Speed of Sound, v (m/s) 209 216 216 133 144 159
Thermal cond. .10 .09 .09 .07 .08 .08
Thermal cond .02 .02 .02 .01 .01 .01
Latent heat (kJ/kg) 353 340 348 139 178 180







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