Helium

Total purity by volume(%)

Maximum levels of impurities (ppm by volume)

Grade

 

O2

H2O

N2

Ar

CO+CO2

H2

THC

N
oxides

Special

99.9995

2.0

2.0

10

NIL

0.5

NIL

0.5

NIL

Grade-I

99.995

4.0

4.0

40

0.5

1.0

NIL

0.5

NIL


Technical specification

  • COLOUR : Middle Brown
  • CHEMICAL NAME : HE
  • INDIAN STANDARD : IS :
  • WATER CAPCITY : 47 Litre
  • Contents : 7 Cubic Meter Gas
  • Require Pressur : 140-150 kg / cm2 (Variaation -+ 5kg./Cm2

Application/Usage

  • In Laser Mixtures
  • Pressurising Gas
  • Helium Leak Detectors
  • Breathing Gas For Drives
  • Carrier Gas In Gas Chromatography
  • In Neon Sings
  • Insert Shielding Gas for Arc Welding
  • Air Balloons