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Property and application:
ISOBUTANE is an excellent refrigerant which has a high refrigerating ability ,low power and the load temperature rise is slow. At room temperature, it is a colorless ,transparent ,non-toxic,non-flammable liquefied gas under the autolokgous pressure .Refrigerant can replace R12
Molecular weight | 58.12 |
Bp , °C | -11.80 |
Critical temperature, °C | 134.98 |
Critical pressure, Mpa | 3.66 |
Density of saturated liquid 25°C,(g/cm3) | 0.551 |
Specific heat of liquid 25°C, [ KJ/(Kg°C)] | 2.38 |
ODP | 0 |
GWP | 0.1 |
Critical densiy, g/cm3 | 0.221 |
Vaporization heat under BP, KJ/Kg | 366.5 |
Quality standard:
Appearance | Colorless, no cloudy |
Odor | Odorless |
Purity≥% | 99.5 |
Moisture , ≤% | 0.001 |
Acidity, ≤% | 0.0001 |
Residue on evaporation, ≤%L | 0.01 |
Quality standard:
Isobutane R600A refrigerant