
What Is Limiting Oxygen Index (LOI)? A Core Indicator of Flame-Retardant Performance
LOI is the minimum oxygen concentration needed to sustain combustion. This guide analyzes LOI values, testing standards, and the safety logic of IFR fabrics.

LOI is the minimum oxygen concentration needed to sustain combustion. This guide analyzes LOI values, testing standards, and the safety logic of IFR fabrics.