What is NFPA-701 test?
The NFPA( National Fire Protection Association)-701 test establishes test methods to assess the propagation of flame of various textiles and films under specified fire test conditions. It is the standard specifically reserved for curtains and other similar hanging fabric. Fire retardant curtains are commonly used in commercial buildings including schools, churches, retail spaces, theaters, industrial, and museums.
The curtain fabric is certified to pass NFPA 701 test when it is exposed to a flame for 12 seconds and it shows the following characteristics:
- Less than 0.2 seconds after flame
- Less than 6.5inch char length
- The fabric isn’t inflamed when it touches the test chamber floor