Acetylene

• Is Acetylene  in cylinders gas  or liquid ?
  Acetylene cylinders are filled with a porous material which carries the liquid acetone. However this liquid converts to gas when it is released from the cylinder.
• What is Acetylene used for?
  Fuel gas for Oxy-Acetylene welding, cutting, localized heating and flame hardening.
  
• Can you lay Acetylene cylinders down?
  No. Acetylene cylinders must be used and stored in an upright vertical position.
  
• Is Acetylene highly flammable?
  Yes
  
• What is a flashback arrestor?
  A flashback arrestor is a safety device that will extinguish any flame or spark inside the equipment.
  
• Should you use flashback arrestors with acetylene?
  Yes, for safety purposes.