ASTM E681化合物(蒸气和气体)易燃性浓度限值的标准试验方法
日期:2012-02-08 11:03
ASTM E681 Standard Test Method for Concentration Limits of Flammability of Chemicals (Vapors and Gases)
ASTM E681化合物(蒸气和气体)易燃性浓度限值的标准试验方法
The LFL and UFL of gases and vapors define the range of flammable concentrations in air.
5.2 This method measures the LFL and UFL for upward (and partially outward) flame propagation. The limits for downward flame propagation are narrower.
Limits of flammability may be used to determine guidelines for the safe handling of volatile chemica
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