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PropaneUsually utilized as fuel for barbecue,cooking stove and some motor vehicles, like train, bus ,forklift and taxi. Also served as fuel for cooking and heating when take RV or camp out.In some rural area of North America, people use propane to fill cooking range,water heater and hand dryer.
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Iso-butane(Industrial grade)It is developed from high quality natural gas, can be smoothly mixed as propellant of different usage. None ODP or GWP. It’s environmental friendly, can be good substitute of Freon CFC.
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Iso-butane(99.5%)Iso-butane , also known as R-600a, is a new hydrocarbon refrigerant with excellent performance. it is environmental friendly, with no greenhouse effect, no destruction to the ozone layer.