How to correctly understand flame retardant?

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Flame retardant fabrics Flame retardant standard fabrics Flame retardant flame retardant technology

Flame retardant fabrics do not prevent fire. Flame-retardant fabrics are fabrics that have undergone flame-retardant finishing. They have the ability to prevent the flame from continuing to spread or the area in contact with the flame to become scorched. When the flame is removed, it cannot continue to burn. There are also corresponding flame retardant standards, such as EN470, EN531, NFPA2112, NFPA70E, etc. What do the carbon growth, smoldering and continued burning of flame retardant fabrics mean? 1 Afterburning: Under specified laboratory conditions, when the flame is removed from the fabric, there is a flame burning.
2 Afterburning time: Under specified laboratory conditions, the time for flame burning after the flame is removed from the fabric. (Also known as the flaming combustion period)
3 Smoldering: Under specified laboratory conditions, when the flaming combustion terminates or the fire source leaves, the fabric continues to burn without flames.
4 Smoldering time: Under specified laboratory conditions, the continuous flameless burning time of the fabric after the flaming combustion has terminated or the fire source has left. (Also known as smoldering period)
5 Carbon length: The length of carbonization of the fabric after the combustion is completely extinguished. The American standard is “10cm” and the British standard is “15cm”. Therefore: flame-retardant fabrics are fabrics that have been processed by flame-retardant processes such as proban and CP. They will not continue to burn or smolder when exposed to flames.
：Textile

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