Common terms for flame retardant fabric testing
Classification:
flame retardant fabric
In the experiment of burning test of Flame-retardant fabric, there are many professional terms. The expression of these terms makes Flame-retardant fabricThe combustion phenomenon is more rigorous and intuitiveby us learning and understanding the terminology, we can clearly understand the status of the product. Let’s learn some professional terms below.
(1) Combustion: When flammable substances leave the fire source, the oxidation and exothermic reaction occurs, accompanied by the phenomenon of flaming or flameless combustion zone luminescence.
(2) Burning: When a flammable substance comes into contact with a fire source, it is a flameless ignition process in a solid state, accompanied by a glowing phenomenon in the combustion zone.
(3) Afterburning: After the burning material leaves the fire source, it still continues to burn with flames.
(4) Smoldering: After the burning substance leaves the fire source, there is still continuous flameless combustion.
(5) Flaming combustion: a gas phase combustion phenomenon accompanied by luminescence.
(6) Smoke combustion: a slow burning phenomenon with no visible light and usually smoke.
(7) Ignition temperature: Under specified test conditions, the low temperature at which the material begins to continue burning is usually called the ignition point.
(8) Pyrolysis: Irreversible chemical decomposition of materials at high temperatures without oxidation.
(9) Droplets: High-temperature melting droplets of materials
(10) Carbonization: The process of forming carbonaceous residue during pyrolysis or incomplete combustion of materials.
(11) Flame retardant: The property of a certain material to prevent, slow down or terminate flammable combustion.
(12) Flame spread: the expansion process of the flame front.
(13) Damage length: Under the specified test conditions, the maximum length of the material damage area in the specified direction, usually also called the char length. (14) Limiting oxygen index (L0I): Under specified test conditions, the low concentration of oxygen in the nitrogen-oxygen mixture required to keep the material in a burning state.
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