PARTS & CONSUMABLES
LEARNING & HELP CENTER

 

Balloon & Helium Cylinder Data

Balloon Cylinder Capacity Data

Helium
Cylinder size/cf

Pressure
PSI

Approx. # Latex Balloons

Mylar

9"

10"

11"

12"

14"

18"

291

2640

1054

955

570

548

285

648

242

2485

895

806

484

465

242

550

214

2200

788

710

426

409

213

484

195

2200

721

650

390

375

195

443

125

2015

450

370

250

225

125

272

80

2015

296

267

160

154

80

181

55

1800

200

150

100

85

50

125

24

2015

85

78

45

40

24

55

WARNING

Helium is a colorless, non-toxic, non-flammable gas which is lighter than air. It is considered an inactive gas and relatively safe to handle. When miss used, however; it can cause serious injuries or death. Helium acts as a simple asphyxiant displacing oxygen. If the body is deprived of oxygen, even for a short period of time, DEATH or serious injury may occur. Exposure to atmospheres containing reduced oxygen (increased helium) will bring about unconsciousness without warning - so quickly, that you will not be able to help yourself.

DO NOT UNDER ANY CIRCUMSTANCES ATTEMPT TO INHALE HELIUM.
ALWAYS KEEP HELIUM STORED IN A WELL-VENTILATED AREA.

 

Latex Balloon
Size

Volume of Helium
per Balloon (cu/ft)

7"

.15

9"

.27

10"

.30

11"

.50

12"

.52

14"

1.00

16"

1.25

20"

2.42

36"

14.10

40"

15.00

18" Mylar

.44