... PPm≤100AppearanceColorless, No turbidOdorNo Strange Stench Application:Refrigerant for CFC-12 substitute. 1.HFC-134a is one of long-term CFCS substitutes with ... odorless,nonexplosive,inflammable material. 4.It is widly applied as refrigerant in auto air-condition,refrigerator,,commercial refrigeration ,central air- ... in areas such as medicine,pesticide,cosmetics and cleaning. Refrigerant Gas R134A