... For blowing agent, aerosol propellant. Substitute of HFC-134a and other known refrigerant. Ultra-low GWP. HFO-1234ze can be widely used for ... all kinds of air conditioner, refrigerator, central air conditioning and commercial refrigeration. Comparing the ... ,3,3,3-tetrafluoropropene is excellent as a blowing agent for polystyrene, polyurethane, PUR or other polymers.Now have ...