... Temperature, °C96.67Critical Pressure, Mpa4.25Saturated Liquid Density, 25°C, (g/cm3)0.58Specific Heat of ... 22lb/10kg; Recyclable cylinder 926L. Quality standard : Purity, %≥99.8Moisture, PPm≤10Acidity, PPm≤0.1Vapor ... PPm≤100AppearanceColorless, No turbidOdorNo Strange Stench Application:High pure grade R290 is used as temperature sensing ... stype refrigerant gas R290 with high purity for hot sale