our refrigerant agent: HFC-152a to be replace R502
Function Description£º
refrigerant agent: HFC-152a can be replace R502
Brief Introduction£º
It is mainly used in the field of refrigerant agent, aerosol and vesicant. It can also used as the main material of physical mixture. As a permanent refill, it is used as aerosol and propeller in the field of fixature, air-freshing agent, insecticide.
Physical properties
Molecular weight 66.0
Boiling point under 1.013¡Á105pa, ¡æ -24.7
Density of liquid at 25¡æ,g/cm3 0.901
Vapor pressure at 25¡æ,Mpa 0.599
Critical temperature, ¡æ 113.5
Critical pressure, MPa 4.50
Critical density, g/cm3 0.365
Latent heat of vaporation at bp., KJ/kg 330
Solubility in water at 25¡æ,W% by weight 0.28
Specific heat, liquid, 25¡æ KJ/kg, ¡æ 1.68
Ozone Depletion Potential(ODP) 0
Global warming potential(GWP) 0.03
Additional Explanation£º
Specification:
Grade Excellent Grade 1ST.Grade
Purity, %, min 99.8 99.5
Moisture, PPM, max 10 20
Acidity, PPM, max 0.1 1.0
Nonvolatile residues,
mg/kg,max 100 100
Noncondensable gas in
Vapor phase, %,max 1.5 1.5