Specialty Gas

  • Home
  • |
  • 제품소개
  • |
  • Specialty Gas
CF4 / CARBON TETRAFLUORIDE / Electronic gas

showing high performance for critical plasma etching in semiconductor devices manufacturing

CF4 Molecular Structure
· Production Description
Attributes Values
Formula CF4
Molecular Weight (lb/mol) 88.00
Critical Temp. (°F) -50.2
Critical Pressure (psia) 543.6
Boiling Point (°F) -198.5
Melting Point (°F) -298.5
Psat @ 70°F (psia) (note 1)
Liquid Density @ 70°F (lb/ft3) (note 2)
Gas Density @ 70°F 1 atm (lb/ft3) 0.2285
Specific Volume @ 70°F 1 atm (ft3/lb) 4.38
Specific Gravity 3.104
Specific Heat @ 70°F (Btu/lbmol-°F) 14.43

· Packaging Information: 4.64L/10.2L/44L Cylinder
· Notes
Note 1. = Signifies at 70°F, the compound is above its critical temperature.
Note 2. = Signifies that at 70°F,
                 the compound is below the normal boiling
                 point and only the equilibrium vapor is present at 1 atmosphere.