希望各位能幫小弟詳細(xì)解釋一下在“電器塑料材料的垂直燃燒試驗(yàn)”(UL94)中這幾個(gè)術(shù)語:1.余焰時(shí)間;2.余燃時(shí)間;3.余灼時(shí)間.
小弟不勝感激啊!!!
垂直燃燒試驗(yàn)相關(guān)術(shù)語定義
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以下是UL94中的定義,afterflame應(yīng)該是余焰,不知道余焰和余燃有啥區(qū)別? afterglow是余灼.
3.1 Afterflame – Persistence of flaming of a material, after the ignition source has been removed.
3.2 Afterflame Time – The length of time for which a material continues to flame, under specified conditions,
after the ignition source has been removed.
3.3 Afterglow – Persistence of glowing of a material, after cessation of flaming or, if no flaming occurs, after
removal of the ignition source.
3.4 Afterglow Time – The length of time for which a material continues to glow under specified test conditions,
after the ignition source has been removed and/or cessation of flaming.
3.1 Afterflame – Persistence of flaming of a material, after the ignition source has been removed.
3.2 Afterflame Time – The length of time for which a material continues to flame, under specified conditions,
after the ignition source has been removed.
3.3 Afterglow – Persistence of glowing of a material, after cessation of flaming or, if no flaming occurs, after
removal of the ignition source.
3.4 Afterglow Time – The length of time for which a material continues to glow under specified test conditions,
after the ignition source has been removed and/or cessation of flaming.
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