Helium Balloon Float Time

HELIUM BALLOON FLOAT TIMES & PRECAUTIONS

1. FLOAT TIMES

Cold air, hot air, high humidity, changing barometric pressure, high altitudes, and moving air from fans and vents will reduce balloon float times. The float times posted on our site are the maximum to be expected. Changing conditions mean that on some occasions balloons may float for only one day, and on other occasions the same balloons may float for many days. We guarantee that your balloons will be delivered in perfect condition, but float times are not guaranteed.

The following standard float times apply to balloon-friendly indoor environments.

FLOAT TIMES FOR MYLAR BALLOONS
In optimum environments, mylar (foil) balloons will remain full and taught for 3-5 days. They will continue to float for two weeks or longer. Air-conditioned air may cause these balloons to shrivel, but they will return to a normal state when exposed to warmer air.

FLOAT TIMES FOR LATEX BALLOONS


9-inch latex balloons will float indoors for 6-15 hours.
Float times may be reduced by as much as 60% at elevations above 2,500 feet.


2. EFFECTS OF ELEVATION, SUNLIGHT, AIR CONDITIONING, AND WIND
Float times will be reduced at higher elevations.


On hot days, in direct sunlight, balloons may pop within an hour. The same result can occur indoors if balloons are exposed to direct sunlight through windows.

Very cool environments may cause helium molecules to shrink, reducing the size and float time of balloons.

A constant breeze passing around a balloon will increase the speed at which helium molecules escape through the wall of the balloon, resulting in reduced float time. Keep balloons away from air vents for maximum float time.

3. CEILING PRECAUTIONS

Static and invisible fibers on ceilings can cause balloons to pop. Allow your balloons to remain tied to an anchor for at least five hours before releasing them to the ceiling. This allows the balloons to shrink enough so that the skin becomes thicker and tougher. After five hours, take 2-3 balloons and rake them across the ceiling. If these do not pop, it should be safe to release additional balloons. If they do pop, allow additional time and run the test again.

4. SAFETY PRECAUTIONS

A. Do not breathe helium from a balloon. Helium is not toxic nor flammable, but breathing it can result in asphyxiation (loss of consciousness due to insufficient oxygen).

B. Do not release mylar (foil) balloons outdoors. Power failures can result if these balloons become entangled in electric lines.

C. Popped latex balloons present a choking hazard for small children. Do not leave small children unaccompanied with latex balloons.

 

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