miinimumtemperatuur, mille puhul kuumutatud vedeliku pinnalt eralduv aur leegiga kokku puutudes hetkeks süttib
the lowest temperature at which the vapour above a volatile combustible substance will ignite to produce a momentary flash when a small flame is applied under specified conditions
Tuleohtlikud, väga tuleohtlikud, eriti tuleohtlikud kemikaalid: a) tuleohtlik vedelik on aine või valmistis, mille leekpunkt on minimaalselt 21 °C ja maksimaalselt 55 °C (riskilause R10) ja mis soodustab põlemist.
Kahjulik toime, mille alusel jäätmed loetakse ohtlikeks jäätmeteks, on samalaadne kahjuliku toimega, mida avaldavad: ... 4) H3B – tuleohtlikud vedelad ained ja valmistised, mille leektäpp on võrdne või üle 21 °C ja võrdne või alla 55 °C; ...
The flash point is a general indication of the flammability or combustibility of a liquid. Below the flash point, insufficient vapour is available to support combustion. At some temperature above the flash point, the liquid will produce enough vapour to support combustion. (This temperature is known as the fire point.)
Flash points are measured by heating a liquid to specific temperatures under controlled conditions and then applying a flame. The test is done in either an “open cup” or a “closed cup” apparatus, or in both, in order to mimic the conditions of storage and the workplace.
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