Eco Freeze Series features high-purity hydrocarbons
Eco freez r600a refrigerant
Natural refrigerant by Iwatani
R600a refrigerant Cylinder

Eco Freeze R290, R600a Refrigerants

The Eco Freeze Hydrocarbon Refrigerant has high-purity hydrocarbons with low moisture and sulfur content, ensuring high quality and essential elements as a refrigerant. Iwatani has years of experience in handling traditional refrigerants and liquefied hydrocarbon gases like propane, isobutane, and normal butane, the company has combined its expertise in refrigerant supply.

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Eco Freeze R290 and R600a refrigerants come in two different contents, 50kg, and 500kg. The containers are made of welded steel and come equipped with a container valve W22.5-14-IL for the small container.

Eco Freeze R290, R600a Refrigerants Physical Properties

R290 refrigerant with the chemical formula C3H8
  • The molecular weight of the substance is 44.01 kg/kmol
  • Its critical temperature is 96.67°C and its critical pressure is 4.25 MPa
  • The freezing point is -187.7°C and the boiling point is -42.09°C (101.325kPa)
  • The boiling point pressure at 25°C is 952.4 kPa and evaporation latent heat is 335.25 kJ/kg (at 25°C)
  • The specific heat ratio is 1.136 (at 25°C, 101.325kPa)
  • The density of the substance in its saturated liquid form is 429.08 kg/m3 (at 25°C) and in saturated steam, the form is 20.65 kg/m3 (at 25°C)
  • The viscosity of the substance in its saturated liquid form is 96.95 μPa・s (at 25°C) and in saturated steam, form is 8.27 μPa・s (at 25°C)
  • The thermal conductivity of the substance in its saturated liquid form is 93.6 mW/m・K (at 25°C) and in saturated steam, form is 18.9 mW/m・K (at 25°C)
  • The surface tension is 6.98 mN/m (at 25°C)
  • The ozone depletion potential is 0 (CFC11=1) and the global warming potential is 3 (CO2=1)
  • The Combustion range (vol%) is 2.3-9.5
  • ASHRAE SSPC34 safety class is A3 and the allowable concentration is 1000 volppm
R600a refrigerant with the chemical formula CH(CH3)3
  • The molecular weight of the substance is 58.1 kg/kmol
  • Its critical temperature is 134.66°C and its critical pressure is 3.64 MPa
  • The freezing point is -159.59°C and the boiling point is -11.67°C (101.325kPa)
  • The boiling point pressure at 25°C is 350.5 kPa and evaporation latent heat is 329.09 kJ/kg (at 25°C)
  • The specific heat ratio is 1.105 (at 25°C, 101.325kPa)
  • The density of the substance in its saturated liquid form is 549.86 kg/m3 (at 25°C) and in saturated steam, the form is 9.12 kg/m3 (at 25°C)
  • The viscosity of the substance in its saturated liquid form is 150.2 μPa・s (at 25°C) and in saturated steam, form is 7.50 μPa・s (at 25°C)
  • The thermal conductivity of the substance in its saturated liquid form is 89 mW/m・K (at 25°C) and in saturated steam, form is 16.8 mW/m・K (at 25°C)
  • The surface tension is 10.1 mN/m (at 25°C)
  • The ozone depletion potential is 0 (CFC11=1) and the global warming potential is 3 (CO2=1)
  • The Combustion range (vol%) is 1.8-8.4
  • ASHRAE SSPC34 safety class is A3 and the allowable concentration is 500 volppm

 

R290

SPECIFICATION

Appearance

Colorless and Clear I Visual Inspection

Odor

Odorless I Sensory test

Purity (wt %)

≥ 99.0 I Remarks – Gas Chromatograph (TCD)

Sulfur (wt ppm)

≤ 2.0 I Remarks – Gas Chromatograph

Water (wt ppm)

≤ 30

R600a

SPECIFICATIONS

Purity（wt %）

≧ 98.0 I Remarks – Gas Chromatograph（ＴＣＤ）

Total-Inert（vol ppm)

≦ 100 I Remarks – Gas Chromatograph（ＴＣＤ) (N2 + O2 + CO + CO2 + H2)

Olefin：less than C5（wt ppm)

＜ 100 I Remarks – Gas Chromatograph（ＴＣＤ）(C2H4, C3H6)

Element more than C5 (wt ppm)

≦ 100 I Remarks – Gas Chromatograph（ＴＣＤ) (I-C5H12, n-C5H12, I-C6H14, n-C6H14)

Water（wt ppm）

≦ 20 Carl I Remarks – Fisher Method

Density（25°C）

0.550±0.005 I Remarks – JIS K 2240

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