Oxygen Index

on . Posted in Chemical Engineering

  • Oxygen index is an calculation of the flammability of plastics and other materials.
  • LOI = Limited Oxygen Index

 

Oxygen Index

Material LOI
Nomex 28.5
Nylon 6.6 24 - 29
Polymethyl Methacrylate (PMMA) 17.3
Phenolic 26 - 64
Plywood 23.0
Polycarbonate (PC) 25 - 44
Polyethylene (PE) 17.4
Polypropylene (PP) 17.4
Polystyrene (PS) 17.8
Polyester (GRP) 21- 43
Polytetrafluoroethylene (PTFE) 95
Polyvinyl Chloride (PVC) (unplasticised) 45 - 49
Std. Polyurethane (PU) foam 16.5

 

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