R415B FLUSHING SOLVIND Dicholorfluoroethane (HCFC-141b) is a nontoxic and colorless chemical with small ODP value and excellent chemical stability. Since its physical and chemical properties are similar to those of CFC-11 and CFC-113, it can substitute CFC-11 as foaming agent for rigid or soft PU foam without changing process and equipment, of CFC-113 as metal cleaner and solder- remover as well, HCFC-141b has the following characteristics: • Chemical stability: It can be stored at room temperature without decomposition • Dissolvability; it can dissolve in most organic solvents, alcohol and ether. It has excellent compatibility with grease and lubricant, and no obvious effects on most pollymers including plastics and rubbers. • Toxicity: The toxicity trials conducted by Allied Signal and Atochem indicate that it has no irritant effect on human skin and eyes, but inhalation of high-concentrated HCFC-141b will cause anaesthetic effect. • Flammability: HCFC-141b is inflammable, it should be stored in ventilated place without flame. Typical Porperties of HCFC-141b:   Formula CH3CFCI2   Boiling Point (101.3KPa) 32.1   Melting Point() -103.5   Critical Temperature 210.2   Critical Pressure 4640.2   Density(kg/m3) 1221   Iginition Limits (air%) 7.6-17.7   Flash Point -   Appearance Colorless & Transparent   Odor Odorless   Purity (%) 99.8   Acidity (%, HCI) 0.0001   Residue(%) 0.001   Moisture (%) 0.002
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